Windows Server 2025 Remote Desktop Freezing Issue: What You Need to Know

Microsoft has confirmed that a recent security update for Windows Server 2025—the infamous KB5051987 released on February 11, 2025—is causing Remote Desktop sessions to freeze shortly after connection. As users find their mouse and keyboard input rendered useless during what should be routine remote work sessions, the implications for IT professionals are significant. Here’s a deep dive into the issue, its parallels with previous Windows 11 challenges, and what you as a Windows user or administrator can do as Microsoft works tirelessly on a fix.

What’s Going On?​

Remote Desktop services have long been a cornerstone for remote work, technical support, and network management. By allowing users to control computers from a distance, they keep us all connected in an increasingly digital world. Unfortunately, after installing the February security update (KB5051987) on Windows Server 2025, many have reported that their sessions completely freeze. In these cases, once connected, neither the keyboard nor the mouse responds—forcing users to disconnect and subsequently reconnect.
Key takeaways include:
• The freezing issue directly affects remote desktop sessions on Windows Server 2025 after running the KB5051987 security update.
• Microsoft has acknowledged the problem on its Windows Release Health Dashboard and is actively investigating it.
• A similar Remote Desktop anomaly was previously observed on Windows 11 version 24H2, where sessions would disconnect after about 65 seconds when connecting to older servers like Windows Server 2016.
• While Microsoft managed to resolve the Windows 11 disconnection bug with the optional KB5052093 update, the Windows Server 2025 freezing issue still remains without a definitive timeline for its resolution.

The Underlying Technical Bug​

When a security update is rolled out, it is typically in the interest of patching vulnerabilities and strengthening system robustness. However, every now and then, the rush for enhanced security introduces glitches that have broader operational repercussions. In this case, the investigation focuses on how KB5051987 interacts with the Remote Desktop components of Windows Server 2025.
During a normal Remote Desktop session, input from devices like the keyboard and mouse is continuously transmitted to the server, ensuring smooth operation akin to local usage. Post-update, many users noted that these inputs would be completely ignored after connection initiation. Essentially, the session becomes “frozen,” leaving administrators and remote workers in a lurch.
This scenario is not isolated. The very recent history of Windows updates has seen Microsoft grappling with multiple issues:
• A similar Remote Desktop disconnect problem noted on Windows 11 version 24H2, which manifested as sessions terminating after around 65 seconds, particularly when linking to servers running Windows Server 2016 or earlier.
• Additional issues, like the recent patch addressing unexpected outputs from USB-connected dual-mode printers, reveal that even minor peripheral features can be disrupted by updates.

Historical Parallels with Windows 11​

Interestingly, the Windows 11 24H2 update encountered a Remote Desktop disconnection problem that garnered widespread attention. That earlier issue emerged with the January 2025 updates, only to intensify following the subsequent March security update. Microsoft swiftly rolled out the KB5052093 optional update, which managed to rectify the disconnections on Windows 11.
This historical context raises the question: Can Microsoft replicate this quick turnaround in resolving the freezing issue on Windows Server 2025? While there are similarities between the two incidents—both affecting Remote Desktop sessions—the severity and specific triggers appear to differ. In Windows 11’s case, the disconnection (after a 65-second window) had a more predictable pattern, allowing for targeted intervention. Conversely, the freezing in Windows Server 2025, where the entire session becomes non-responsive, may require a more intensive rework of the update’s Remote Desktop interaction mechanism.

The Impact on IT and Remote Work​

For IT administrators, especially those managing server infrastructures and remote work solutions, this bug is more than a minor inconvenience—it’s a potential operational hazard. Imagine having to juggle critical server tasks or address emerging network issues while your remote access tools are frozen, rendering you unable to control the system. Here are a few reasons why this bug is particularly troubling:
• Remote Desktop plays a vital role in remote work, technical support, and network management in today’s digital landscape.
• The dependence on reliable remote connectivity means that any disruption—be it a brief disconnect or a full session freeze—can lead to significant downtime and productivity loss.
• With many organizations deploying Windows Server 2025 in environments that demand high availability, the current situation poses immediate challenges for operational continuity.
• Previous experiences with similar bugs, such as the Windows 11 disconnection issue, underline the potential risks of deploying security updates without sufficient regression testing.
Organizations now find themselves in a position where the need for security and system stability must be balanced carefully. The inability to access servers remotely not only affects day-to-day administrative functions but can also impede rapid responses to security threats or system failures.

Troubleshooting and Mitigation: What Can You Do?​

While Microsoft is actively working on a fix, here are some strategies and best practices to help mitigate the impact on your operations:

• Test Updates in a Controlled Environment
  • Always deploy updates in a test lab that mirrors your production environment before rolling them out organization-wide.
  • This practice allows you to identify issues like the Remote Desktop freeze without affecting critical operations.
• Monitor the Windows Release Health Dashboard
  • Stay informed about known issues tied to recent updates by regularly reviewing the dashboard.
  • This can help you decide whether to delay an update until a fix is confirmed available.
• Consider Rollback or Deferred Installation
  • In non-critical environments, it might be advisable to temporarily roll back the KB5051987 update or defer its installation.
  • Use system restore points or snapshot backups to ensure you can revert to a stable state if necessary.
• Leverage Alternative Remote Access Tools
  • As a temporary measure, consider using third-party remote access solutions that can serve as a backup should your primary Remote Desktop sessions freeze.
  • However, weigh the security implications before integrating external tools.
• Engage with Microsoft Support and Community Forums
  • If you encounter this issue, reaching out to Microsoft support can provide direct assistance or workarounds specific to your setup.
  • Community forums such as those on WindowsForum.com often provide valuable insights and tips from IT professionals facing similar challenges.

Microsoft’s Response and the Road Ahead​

In its communication on the Windows Release Health Dashboard, Microsoft has been transparent about the nature of the Remote Desktop freezing issue on Windows Server 2025. The company’s acknowledgment is a critical step, especially after the similar Remote Desktop disconnects noted in Windows 11 24H2. However, despite this transparency and existing parallels, Microsoft has yet to provide an estimated release date for a fix.
This lack of a concrete timeline leaves many IT professionals waiting in limbo. Meanwhile, Microsoft’s record on quickly resolving similar issues (like the KB5052093 update for Windows 11) gives hope that an efficient patch may not be far off. It also highlights the balancing act that Microsoft must perform—ensuring robust security through regular updates while maintaining the stability and integrity of core functionalities like Remote Desktop.
The response to this freezing issue is crucial not only from a technical standpoint but also for maintaining trust with the user community. As organizations continue to rely on Remote Desktop for a plethora of functions, any prolonged disruption could have widespread repercussions. Thus, the monitoring of update performance remains a top priority for IT departments globally.

Broader Implications: Lessons for the Tech Community​

This episode with Windows Server 2025 underscores a perennial challenge in the tech industry: the tension between rapid innovation and the risk of unintended consequences. Security updates are indispensable—they safeguard against vulnerabilities and mitigate risks that could potentially compromise data integrity. Yet, when a security update introduces a disruptive bug, it forces organizations to rethink their update strategies and emphasizes the necessity of:
• Rigorous pre-deployment testing across diverse environments.
• Incremental rollouts that monitor for adverse effects at each stage.
• A comprehensive rollback strategy to minimize downtime in case of emergent issues.
In the end, while many might lament the current disruptions, these challenges serve a valuable purpose. They remind us that even in a world moving at breakneck speed towards the future (Windows Server 2025 being a prime example), careful planning and proactive testing remain invaluable.

Final Thoughts​

As Microsoft works diligently to roll out a fix for the Remote Desktop freezing bug on Windows Server 2025, the incident once again highlights the intricacies involved in maintaining a secure and reliable computing environment. IT professionals and organizations are urged to exercise caution with updates, embrace thorough testing protocols, and keep abreast of official advisories via the Windows Release Health Dashboard.
In a technological landscape where updates are frequent and the need for security is paramount, staying informed and prepared is your best defense. Whether you’re managing the latest server environment or supporting a diverse infrastructure across multiple Windows platforms, these insights serve as a reminder: the quest for perfection in software is perpetual, and resilience is built one update at a time.
For now, keep your systems backed up, your testing environments ready, and your communication channels open. As always, the Windows community—and particularly those on forums like WindowsForum.com—stands ready to share insights, troubleshoot together, and ultimately ensure that no Remote Desktop session is left freezing in the dark.

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Source: Petri.com Microsoft Confirms Remote Desktop Freezing Bug on Windows Server 2025

Windows Server 2025 administrators are now contending with a critical issue following the installation of the February 2025 Security update (KB5051987). Microsoft has confirmed that under specific circumstances, Remote Desktop sessions on affected servers can freeze almost immediately after connection, leaving mouse and keyboard inputs unresponsive. This defect forces users to disconnect and reconnect multiple times, potentially jeopardizing productivity in environments where remote management is crucial.

What Happened: A Closer Look at KB5051987​

Released on February 11, 2025, KB5051987 was intended to bolster security on Windows Server 2025 platforms. However, many IT professionals have reported that installing this update – along with subsequent updates – can result in Remote Desktop sessions freezing. The symptoms are clear:
• Remote session inputs (mouse and keyboard) become entirely unresponsive.
• Users are compelled to terminate active sessions and initiate new connections repeatedly.
• The advisories indicate that the issue is tied to the update, putting a spotlight on patch reliability, especially in mission-critical server environments.
This isn’t the first time Microsoft has faced such challenges. Earlier in the year, a similar malfunction was observed on Windows 11 version 24H2. That version experienced UDP-based Remote Desktop sessions disconnecting after 65 seconds when connecting to older Windows Server versions like 2016. The problem in that scenario escalated with the March security update, leaving many remote administrators scrambling for workarounds.

Technical Analysis: Understanding the Freeze​

The freezing issue on Windows Server 2025 appears to be linked to the intricate interplay between the Remote Desktop Protocol (RDP) handling and recent security hardening measures embedded in KB5051987. While the exact technical details behind the root cause haven’t been fully disclosed by Microsoft, what we do know is that the update affects how the system processes input data over RDP connections. When the processing glitch occurs, users no longer have access to peripheral controls within their remote session.
Drawing comparisons with the earlier Windows 11 issue:
• The Windows 11 anomaly was primarily seen with UDP-based communications, disconnecting sessions after precisely 65 seconds.
• In contrast, the current Windows Server 2025 freezing extends beyond arbitrary disconnects to encompass full session lock-ups, thereby impeding not only continuity but also active management.
These parallels suggest that recent upgrades in remote connection protocols might be inadvertently exposing underlying vulnerabilities in how different Windows platforms handle remote sessions. The non-trivial nature of the current fault, as hinted by Microsoft, underscores the complexity involved in reconciling security enhancements with the robust performance expected by enterprise users.

Workarounds and Recommendations for Windows Administrators​

Given the severity of the issue, IT teams must act swiftly to mitigate disruptions. Here are some immediate steps and best practices for administrators dealing with the freezing issue:

• Verify Update Versions
  • Confirm that your server is running Windows Server 2025 with KB5051987 or later applied.
  • Be cautious about further updates that might compound the issue until further guidance is provided.
• Monitor for Fixes
  • Microsoft has released a subsequent security update, KB5053656 (released March 27, 2025), which addressed a closely related issue on Windows 11.
  • While KB5053656 is confirmed to resolve the UDP disconnection problem, it is unclear whether it fully mitigates the Windows Server 2025 freeze. Keep an eye out for additional patches specifically targeting this anomaly.
• Implement a Known Issue Rollback (KIR) if Needed
  • For servers under enterprise management, if the KB5053656 update (or later) has been applied, there is no need to roll back via KIR or adjust Group Policy settings.
  • Otherwise, consider initiating a rollback process as documented in your organization’s IT protocols to revert to a stable state.
• Utilize Alternative Connection Methods Temporarily
  • In mission-critical situations where remote access is vital, IT teams might resort to alternative remote management tools or local console access until a full remedy is available.
  • Routine backups and contingency plans should be reviewed to minimize downtime in case of prolonged disruptions.
• Contact Microsoft Support
  • Engage with official Microsoft support channels for real-time guidance and potential hotfixes specific to your deployment scenario.
  • Collaborate with industry peers via professional forums to share insights and workaround methodologies.

Broader Implications for Update Management​

This incident with Windows Server 2025 underscores a broader challenge in the patch management ecosystem: ensuring that security updates do not inadvertently disrupt critical services. Administrators and IT professionals have long navigated the delicate balance between timely security updates and maintaining operational stability. With the increasing complexity of modern operating systems, even minor changes can have unforeseen ripple effects.

A Lesson in Patch Deployment​

Historically, major updates – especially those targeting server environments – demand an extra layer of pre-deployment testing:
• In controlled environments, updates like KB5051987 should be vetted against various workloads to simulate real-world scenarios.
• Comprehensive testing can help uncover compatibility issues before the update reaches production servers.
• Administrators are encouraged to maintain a staged rollout process in which patches are first applied to less critical systems before a broader enterprise-wide deployment.

The Role of Redundancy and Backup Strategies​

Given the potential for disruptions in remote connectivity:
• Redundancy in remote access solutions can serve as a buffer.
• Organizations should consider diversifying their remote access tools so that a temporary failure in RDP does not result in a complete loss of management capabilities.
• Regular data backups and system snapshots become invaluable when dealing with issues that might necessitate an emergency rollback.

Balancing Security and Usability​

As Microsoft continues to strengthen security protocols, challenges like these remind us of the inherent complexity between security enhancements and system usability:
• Security patches are designed with the intent to protect against emerging threats, but they must coexist with legacy systems and established workflows.
• Transparent communication from vendors regarding potential issues can help IT departments prepare and allocate resources proactively.
• A proactive, rather than reactive, approach to patch management can minimize the impact of such disruptions on enterprise operations.

The Bigger Picture: Where Do We Go From Here?​

The Windows Server 2025 freezing incident paints a vivid picture of the ongoing challenge facing enterprise IT – balancing the needs for robust security with the imperatives of operational continuity. As corporations and government agencies increasingly depend on remote management, even brief disruptions can translate into significant productivity losses and security vulnerabilities.

Industry-Wide Lessons​

Other technology stakeholders are likely watching this situation closely. Similar to previous experiences with critical updates, this case serves as a reminder that:
• Comprehensive testing protocols are essential before rolling out updates in production environments.
• Clear and timely communication from software vendors is a key component in fostering trust and enabling swift remediation.
• Industry collaboration and sharing of best practices can help mitigate the impact when unforeseen issues occur.
By paying heed to these lessons, we not only address the immediate problem but can also pave the way for more resilient IT infrastructures in the future.

What Can Administrators Expect Moving Forward?​

Microsoft has yet to provide an estimated date for a fix specifically targeting the Windows Server 2025 Remote Desktop freezing. This cautious approach suggests the complexity of the fix and implies that a robust solution may require extensive testing across multiple server configurations. Administrators are advised to:
• Regularly check official Microsoft advisories and trusted IT forums for updates.
• Plan for prolonged iterations of patch management cycles as additional fixes might come in subsequent updates.
• Prepare internal communication channels to keep all stakeholders informed about potential impacts on remote connectivity.

In Summary​

The freezing of Windows Server 2025 Remote Desktop sessions post-KB5051987 is a striking example of how even well-intended security updates can have unforeseen side effects. Windows administrators should immediately review their server update statuses, consider applying or rolling back patches as needed, and start engaging with Microsoft's upcoming fixes. While the issue is reminiscent of similar problems experienced in Windows 11, its impact on enterprise-grade servers makes it all the more critical to address swiftly.
As this situation unfolds, let it serve as a valuable case study in the complexities of modern network management. Keeping abreast of the latest update protocols, maintaining rigorous testing regimens, and fostering proactive communication between IT teams and vendors remain the best defense against such disruptive events.
Stay tuned for further updates as Microsoft refines its patch management for Windows Server 2025, and ensure your IT strategies are aligned with the lessons learned from this experience.

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Source: The Register Windows Server 2025 freezing after February patch

Microsoft has issued a stern warning to Windows Server 2025 users: a faulty February security patch—KB5051987—is reportedly causing Remote Desktop sessions to freeze. This disruption, seen across devices running the latest server software, is affecting mouse and keyboard input shortly after a Remote Desktop connection is established, forcing users to disconnect and reconnect to regain control.

Remote Desktop Sessions Freezing: What’s Happening?​

After installing the security update released on February 11, 2025 (KB5051987), many administrators began noticing that remote sessions on their Windows Server 2025 machines would abruptly become unresponsive. The issue manifests as follows:
• Remote Desktop sessions freeze soon after establishing a connection.
• Once the freeze occurs, both mouse and keyboard inputs stop responding, making it difficult for administrators to manage the server remotely.
• There is no known date for a fix specific to Windows Server 2025 as of now, which suggests that resolving the underlying technical glitch could be complex.
This advisory is a reminder that even the most rigorously tested patches can sometimes lead to unexpected consequences, especially in a product as mission-critical as a server operating system.

Lessons from Windows 11 Version 24H2​

Interestingly, this freezing issue is not an isolated incident in Microsoft’s recent patch history. A similar malfunction was noted with Windows 11 version 24H2, where UDP-based Remote Desktop sessions would disconnect after 65 seconds when connecting to older server versions like Windows Server 2016. In that instance, a follow-up patch (KB5053656), released on March 27, 2025, successfully resolved the disconnection issue.
This parallel serves as both a cautionary tale and a beacon of hope. It indicates that while patch-related issues can be disruptive, Microsoft has effectively addressed a similar problem in another part of its product lineup recently. For enterprise environments that have applied the March security update (KB5053656) or later, Microsoft notes that no additional rollback procedures or Group Policy modifications are required to remedy the Windows 11-related issue.

Understanding the Impact on Windows Server 2025​

For IT administrators, the freezing of Remote Desktop sessions translates to potential downtime and disruption of business-critical operations. The challenges are multifold:
• Loss of remote control impacts the ability to manage servers, apply updates, or troubleshoot issues timely.
• The issue necessitates routine disconnects and reconnects, which not only disrupt workflow but can also lead to maintenance delays.
• Since the fix for the server-side issue is pending, organizations must adopt workarounds to mitigate operational risks.
Microsoft’s brief advisory leaves administrators in a holding pattern, waiting for further guidance on when an official fix for Windows Server 2025 might be available. This delay underscores the non-trivial nature of the problem, and the importance of rigorous testing—especially in enterprise-grade software rollouts.

Expert Analysis: Why Do Such Patch Issues Occur?​

In the world of IT updates, the balancing act between security enhancements and system stability is a constant challenge. Patches are designed to address vulnerabilities but sometimes introduce new issues:
• Complex Interactions: Modern operating systems are built on numerous interdependent components. A change intended for one area (such as security) can inadvertently disrupt another (like input handling or remote communication protocols).
• Testing Limitations: No matter how extensive pre-release testing is, real-world production environments often expose edge cases that internal testing might miss.
• Rapid Rollouts: In the current cybersecurity landscape, there is immense pressure to release patches fast. This sometimes leads to less than optimal quality assurance when urgent vulnerabilities are at stake.
The Windows Server 2025 problem exemplifies these industry challenges, where the urgency of a security update has unfortunately come at the cost of system stability. Businesses reliant on continuous remote access must now navigate this delicate period with increased vigilance.

Workaround and Immediate Steps​

Until an official fix is announced by Microsoft for Windows Server 2025, administrators can take certain immediate actions to minimize disruption:
• Disconnect and Reconnect: If a remote session freezes, the only current remedy is to disconnect and then reconnect, even though this practice is less than ideal for continuous operations.
• Monitor Update Installations: Verify if any interim updates are made available by Microsoft that might contain incremental fixes. Keeping a close eye on Windows Update notifications and Microsoft's official advisories is crucial.
• Test Patches in Non-Production Environments: Before deploying updates widely, always test them in a controlled setting to identify potential issues. This approach can prevent large-scale disruptions in live environments.
• Consider Interim Rollback: For critical systems where uptime is paramount, evaluate the option of rolling back to a pre-February patch state until a stable update is provided, being sure to weigh the security implications of such a move.
These measures underscore an essential IT best practice: always maintain robust backup procedures and have a clear rollback plan in place. Although inconvenient, these steps are vital for keeping your server infrastructure secure and operational during periods of patch instability.

Broader Implications for the IT Community​

This incident serves as a wake-up call for both enterprise and small-to-medium businesses. The complexities of modern software infrastructures mean that even a minor bug can ripple across an organization’s operational capabilities. It also highlights the following key considerations:
• The critical nature of phased rollouts, where a gradual deployment can help catch issues before they affect the entire user base.
• The importance of continuous monitoring and proactive communication from IT departments to users when such issues arise.
• A reminder that patches, however well-intentioned, require robust testing in diverse environments to ensure compatibility and stability.
Moreover, this situation invites IT professionals to reflect on the delicate interplay between security updates and system reliability. In striving for enhanced security—a top priority in today’s digital landscape—organizations must not lose sight of operational efficiency and stability.

Looking Ahead​

While the definitive fix for Windows Server 2025’s Remote Desktop freezing remains on the horizon, experts suggest that patience and prudent system management are the best courses of action. Until an official fix is deployed:
• Keep your system’s firmware, drivers, and software dependencies updated.
• Maintain an active channel of communication with Microsoft’s support channels for the latest information.
• Keep a close watch on release notes for any incremental updates that might address this issue.
Microsoft’s experience with mitigating a similar issue in Windows 11 via KB5053656 illustrates that a solution is possible—even if it may take time to implement in the Windows Server environment. The company’s ability to rapidly develop corrective patches is reassuring, but for now, the onus is on administrators to manage through these hiccups.

Conclusion​

The recent freezing of Remote Desktop sessions on Windows Server 2025 following the February security update (KB5051987) is a stark reminder of the inherent risks associated with patch rollouts. While Microsoft’s advisory points to a pending fix and draws parallels with a similar Windows 11 issue that was resolved in March, the current situation demands that IT administrators exercise caution and implement interim workarounds.
By adopting best practices such as thorough patch testing, active monitoring, and maintaining robust rollback strategies, organizations can mitigate the impact of such unplanned issues. As the IT landscape evolves and new updates are pushed, staying informed and adaptable remains key to maintaining secure and reliable operations.
For Windows administrators and IT professionals alike, this incident reinforces the need for vigilance and flexibility in the fast-paced world of software updates—because even at the cutting edge, the best-laid plans can sometimes freeze up, just like your Remote Desktop session.

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Source: The Register Windows Server 2025 freezing after February patch

Microsoft’s latest patch for Windows Server 2025 appears to have hit a snag, as administrators report that Remote Desktop sessions are freezing shortly after connection. The issue began after the February 2025 Security update (KB5051987) was deployed, with affected users finding that mouse and keyboard inputs become unresponsive in their RDP sessions, forcing them to disconnect and reconnect.

Overview of the Issue​

Microsoft recently warned that the February 2025 patch for Windows Server 2025 is causing Remote Desktop sessions to freeze under certain circumstances. According to the advisory, if you installed KB5051987 along with later updates, your RDP sessions might experience an abrupt freeze where neither mouse nor keyboard inputs are acknowledged. This leaves administrators in a bind, having to disconnect and re-establish sessions manually, potentially disrupting workflows and remote management duties.
Key points include:

• The faulty patch affects Windows Server 2025, making Remote Desktop sessions freeze shortly after a connection is established.
• The problem disrupts input responsiveness, causing both keyboard and mouse operations to cease functioning within the affected session.
• Microsoft has yet to provide a fix date for the Server operating system issue, suggesting that a resolution may require deeper investigation and more complex remediation.

What Happened and Why It Matters​

In the world of IT administration, reliability is paramount. A security update that inadvertently disrupts core functionalities such as Remote Desktop connectivity can have far-reaching implications:

• Remote Management Disruptions: For system admins relying on Remote Desktop Protocol (RDP) to manage servers, the freeze means a loss of control and oversight during critical operations.
• Workflow Interruptions: Businesses that depend on continuous connectivity for remote work and on-premises integration face unplanned downtimes.
• Security vs. Stability Balance: Each update is designed primarily for security enhancements, yet this situation underscores the challenge of balancing security improvements with operational stability.

While Microsoft is no stranger to patch-related issues, this incident highlights the need for rigorous testing and phased rollouts, especially for environments that depend on remote management. The predicament forces IT managers to weigh the risks of missing critical security updates against the operational disruptions these patches might cause.

Similar Incidents in the Ecosystem​

This isn’t the first time Microsoft’s updates have raised eyebrows. A similar malfunction was observed in Windows 11 version 24H2, where UDP-based Remote Desktop sessions began disconnecting after 65 seconds when connecting to Windows Server 2016 or earlier. The issue, which emerged in January, was exacerbated by the March 2025 security update. Microsoft addressed that glitch on March 27, 2025 (KB5053656) and subsequent updates, effectively restoring stability to those environments.
The recurrence of remote session issues across different Windows versions serves as a cautionary tale:

• It underscores how interconnected update components can lead to unexpected interactions between different system versions.
• It prompts administrators nationwide to keep an eye on the stability of their remote desktop sessions, regardless of the Windows version they are using.

Diving Into the Technical Details​

From a technical perspective, the freezing issue appears linked to how the latest update handles Remote Desktop Protocol connections. While the advisory didn’t provide in-depth technical specifics, a few plausible technical scenarios include:

• Input Handling Interruptions: The update may be interfering with the way session inputs (mouse and keyboard) are processed. In a typical RDP session, the server must relay these signals in real-time; a delay or a block could cause the entire session to become unresponsive.
• Protocol Anomalies: The mention of similar UDP-based session disconnects in previous updates hints at potential anomalies in how Windows handles different protocols post-update. UDP, which is inherently less reliable than TCP, might be especially vulnerable to update-induced misconfigurations.
• System-Level Resource Conflicts: Sometimes security patches modify system processes and background services. An inadvertent conflict in resource allocation or process prioritization might lead to session freezes in remote desktop environments.

For administrators with deep technical expertise, these insights are crucial. They provide a starting point to troubleshoot or even roll back to a more stable version if necessary.

What You Can Do as an Administrator​

While Microsoft is working on a more permanent solution, IT professionals can take several proactive steps:

• Install the Latest Updates: Microsoft noted that administrators who have already deployed the update released on March 27, 2025 (KB5053656) or later should not need to take additional measures like a Known Issue Rollback (KIR) or configuring special Group Policies. If your environment supports it, consider updating to these later patches immediately.
• Monitor Remote Desktop Sessions: Keep a tight watch on RDP sessions to identify early signs of the input freeze. Implementing monitoring tools can help pinpoint the onset of the issue, allowing for faster remedial action.
• Plan for Downtime: In critical environments, it may be prudent to schedule maintenance windows to test these updates before a full deployment. This helps in mitigating risk by ensuring that any instability is contained and can be addressed without affecting broader operations.
• Engage with Vendor Support: If the issue persists or your organization operates in a highly sensitive or critical environment, reach out to Microsoft support for direct guidance. Vendor engagement can often offer tailored troubleshooting steps that address the unique needs of your infrastructure.

Here’s a quick checklist for administrators:

• Verify your current update level for Windows Server 2025.
• Check if your systems have the March 27, 2025 (KB5053656) update or later installed.
• Monitor Remote Desktop sessions closely for any signs of freezing.
• Prepare a rollback plan if your operational environment cannot tolerate such disruptions.

Expert Analysis and Broader Implications​

From an industry standpoint, this incident casts light on several broader technology trends and challenges:

• Patch Management Complexity: Microsoft’s experience with Remote Desktop issues reflects the broader challenge of maintaining security while ensuring operational continuity. Every patch introduces potential unintended consequences; hence, robust testing and phased deployments have become non-negotiable.
• Remote Work Demands: As remote work remains a staple for many organizations, stability in RDP connectivity is more critical than ever. Even minor disruptions can cascade into significant operational downtime.
• Lessons in Resilience: Incidents like these force organizations to build more resilient IT infrastructures. Redundancy, regular backups, and comprehensive monitoring are key components of an effective mitigation strategy.

One can’t help but wonder: how can developers and IT teams better anticipate such issues? While rigorous pre-deployment testing is essential, real-world environments often uncover rare edge cases that simulation cannot predict. This enduring challenge highlights the need for a proactive, multifaceted approach to system updates and remote management.

Conclusion​

The freezing of Windows Server 2025 Remote Desktop sessions following the February 2025 patch is a stark reminder that even well-intentioned security updates can sometimes disrupt day-to-day operations. By understanding the technical nuances and impacts of such updates, administrators are better equipped to navigate these challenges. Microsoft’s advisory, alongside the corrective measures introduced with the March 27, 2025 update, provides a clear path forward—but not without caution.
Enterprise IT teams are encouraged to:

• Update to the latest patches if possible,
• Monitor systems closely for disruptions, and
• Engage with support channels for any persistent issues.

This episode underscores a perennial theme in IT: the necessity of balancing security enhancements with operational stability. With vigilance, thorough testing, and strategic planning, organizations can weather such transitional bumps, ensuring that remote desktop sessions, the lifeblood of modern server management, remain robust and responsive.
In the ever-evolving landscape of operating system updates and security patches, staying informed and prepared is your best defense.

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Source: The Register Windows Server 2025 freezing after February patch

Windows Server 2025 Remote Desktop Freezing: What You Need to Know
Since the dawn of scheduled updates and perpetual patch cycles, IT professionals have learned to expect occasional hiccups. Yet the latest advisory from Microsoft has had many administrators raising eyebrows—and frantically disconnecting frozen Remote Desktop sessions. In this article, we take an in-depth look at the reported issue affecting Windows Server 2025, detail the technical background, draw parallels with a similar Windows 11 glitch, and offer practical guidance for navigating this challenge.

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Overview of the Issue
Microsoft recently warned that a faulty security patch—dubbed KB5051987 and rolled out on February 11, 2025—is causing Windows Server 2025 Remote Desktop sessions to freeze under specific conditions. According to the advisory, after installing the update (plus subsequent updates), affected servers may see sessions where mouse and keyboard input suddenly become unresponsive. In such instances, users are forced to disconnect and reconnect in hopes that the session will resume normal operation.
This matter is especially alarming given that remote management is the backbone of enterprise IT infrastructure. When an update intended to bolster security inadvertently disrupts critical connectivity, organizations are placed in a precarious position: safeguarding their systems while contending with operational downtime.

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Technical Background and Analysis
Microsoft’s patch KB5051987 aimed to address vulnerabilities and improve security posture; however, it appears that within certain Remote Desktop session environments, the update triggers a freezing state. When the malfunction occurs, the Remote Desktop session becomes locked—mouse clicks and keyboard inputs are rendered ineffective, forcing administrators to rely on a disconnect-reconnect cycle to regain control.
Several technical insights help shed light on the problem:
• Timing and the Update Lifecycle:
– The faulty behavior was first observed shortly after the February patch was applied.
– Microsoft has not provided a definitive timeline to deploy a fix for Windows Server 2025, suggesting that the underlying issue may be non-trivial.
• Remote Desktop Dependencies:
– The freezing seems to occur due to conflicts in the updated Remote Desktop session management protocols.
– Patches sometimes have unforeseen interactions with driver implementations or legacy code, especially in products where remote connectivity is critical.
• Comparison with Windows 11 Issue:
– A similar malfunction had previously surfaced in Windows 11 version 24H2, where UDP-based Remote Desktop sessions were disconnecting after 65 seconds when connecting to older Windows Server editions (like Server 2016 or earlier).
– Fortunately, that situation was addressed by a subsequent patch—KB5053656—released on March 27, 2025. For enterprise-managed devices that have installed this later update, Microsoft advises that there is no need for a Known Issue Rollback or special Group Policy intervention.
The intricate nature of patch deployments can sometimes lead to unforeseen side effects. In this case, while the improved security measures were undoubtedly needed, the compromise in remote desktop stability is a stark reminder of how interdependent system components can become.

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Impact on Enterprises and IT Administrators
For enterprises that manage critical server infrastructures, even short-lived disruptions to Remote Desktop connectivity can have cascading consequences:
• Remote Management Disruptions:
– IT administrators depend on reliable Remote Desktop sessions for routine maintenance, monitoring, and troubleshooting. A frozen session interrupts daily operations and can delay incident resolutions.
• Extended Troubleshooting and Recovery:
– Constantly disconnecting and reconnecting sessions is not only a productivity drain but also opens the door to potential data loss or errors if sessions time out while critical commands are being executed.
• Balancing Security with Availability:
– The need to patch security vulnerabilities must be weighed against the potential for operational disruption. In this case, administrators are forced to maintain a delicate equilibrium between a heightened security posture and uninterrupted system availability.

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Mitigating the Issue: Recommendations and Workarounds
While the ultimate fix for the Windows Server 2025 freezing remains on Microsoft’s roadmap, IT professionals can take several steps to mitigate the impact in the short term:

• Monitor Update Rollouts Diligently
  – Before deploying updates across production environments, consider testing them in a controlled lab environment. This helps identify potential conflicts and ensure a smoother rollout.
  – Subscribe to official advisories and support communications from Microsoft to stay abreast of any newly published fixes or workarounds.
• Temporary Rollback or Deferral Strategies
  – For servers where Remote Desktop connectivity is mission-critical, consider delaying the installation of KB5051987 until a remedial update is released.
  – Alternatively, if the problematic patch is already deployed, check if a rollback or Known Issue Rollback (KIR) option is available specifically for your environment. (Note that while KIR was effective for the Windows 11 issue, Microsoft’s guidance on the server issue is currently more reserved.)
• Implement Redundancy in Remote Access
  – Where feasible, deploy secondary Remote Desktop gateways or use alternative remote management tools. This redundancy can help assure continued access if one pathway experiences temporary freezes.
  – Consider integrating monitoring tools that alert administrators to session failures in real time, enabling swift remedial action.
• Validate Security and Connectivity Settings
  – Double-check firewall, network, and configuration settings post-update to ensure they align with best practices. Occasionally, updates can alter configurations that indirectly affect Remote Desktop performance.
  – Review group policies that may be interacting adversely with the new update settings.

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Lessons Learned and Future Outlook
The current situation with Windows Server 2025 serves as a vital learning opportunity for the broader IT community. Historically, software updates—particularly those that alter system-critical services—require rigorous pre-deployment testing. However, as systems grow increasingly complex, even comprehensive test scenarios may not capture every edge case.
As administrators grapple with this issue, several broader themes emerge:
• The Imperative of Staged Rollouts
– A phased deployment strategy that tests patches on non-critical devices can help minimize widespread disruption. This approach not only protects essential services but also provides valuable feedback for identifying issues early.
• Balancing Innovation, Security, and Stability
– Every update carries inherent benefits and risks. The trade-off between applying the latest security patches and maintaining system stability is a familiar dilemma. For organizations with limited IT resources, investing in robust testing and change management processes is more crucial than ever.
• Enhancing Communication Channels
– Rapid communication from vendors about known issues and remediation timelines is vital. While Microsoft has today confirmed the issue and noted its complexity, a more detailed roadmap would undoubtedly assist IT teams in planning their response.
– Community forums and platforms like WindowsForum.com are emerging as essential hubs where real-world experiences can inform best practices and prompt collaborative troubleshooting.

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A Call to Action for IT Professionals
For those managing Windows Server 2025 environments, the advisory on KB5051987 poses a stark reminder: even trusted platforms like Microsoft Windows can encounter hiccups at pivotal moments. The challenges presented by freezing Remote Desktop sessions are not just mere inconveniences—they are operational risks that require proactive management.
As you weigh your options, consider the following action points:
• Test Thoroughly: Always deploy updates in a controlled environment before rolling them out to production servers. Real-world tests can unearth issues that lab settings might miss.
• Stay Agile: Develop a contingency plan that includes provisions for rolling back updates under emergency conditions. A dynamic approach can mean the difference between a minor glitch and a full-blown outage.
• Engage the Community: Share your experiences and learn from the collective wisdom of fellow IT administrators. Platforms like WindowsForum.com are proving invaluable as first responders to emerging issues.
• Prioritize Communication: Maintain clear channels with both internal teams and external providers to promptly address and mitigate issues as they arise.
Looking Ahead
While no one prefers to deal with unexpected patch issues, incidents like these reinforce the need for a vigilant and adaptive IT strategy. The interplay between security enhancements and system stability is a high-wire act that demands careful planning and continuous oversight. With the promise of a fix on Microsoft’s horizon for Windows Server 2025, administrators are encouraged to keep a close eye on forthcoming updates while implementing interim strategies that safeguard remote connectivity.
Ultimately, as the IT landscape continues to evolve, one truth remains undeniable: effective remote management, rigorous testing protocols, and an informed community are the pillars that support resilient enterprise infrastructures.
In this rapidly shifting environment, remember that staying informed and vigilant today paves the way for a more secure and reliable tomorrow.

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Source: The Register Windows Server 2025 freezing after February patch

Overview of the Windows Server 2025 Remote Desktop Freeze
In a startling turn of events, Microsoft is currently grappling with a major bug in its Windows Server 2025 environment. A recent security update from February 2025, identified as KB5051987, appears to be causing Remote Desktop sessions to freeze shortly after connection. When the freezing occurs, mouse and keyboard inputs become unresponsive, forcing users to disconnect and reconnect to regain control. This incident not only disrupts production environments but also raises questions about the stability of essential security patches.
Technical Details and Background
Microsoft’s official advisory sheds light on the mechanics of the issue:
• The problem was first observed after installing the February 2025 Security update (KB5051987) on Windows Server 2025 devices.
• Affected Remote Desktop sessions freeze, leaving users with unresponsive peripherals.
• This behavior mirrors a similar glitch that was noted with Windows 11 version 24H2, where UDP-based Remote Desktop sessions were disconnected after 65 seconds when connecting to earlier versions of Windows Server.
• The Windows 11 fault was addressed with the March 27, 2025 update (KB5053656), though no such fix date has been provided for the Server operating system itself.
The similarity between the issues in Windows 11 and Windows Server 2025 highlights an underlying challenge in managing complex update rollouts. It appears that adjustments aiming to enhance security inadvertently led to a degradation of stability in Remote Desktop functionality.
Immediate Workarounds and Recommendations
Microsoft recommends that users install the latest update available for their device, as the March updates (KB5053656 and later) have addressed key issues, including the UDP-based disconnections seen in Windows 11. For those managing enterprise environments, it’s particularly reassuring to note that once the update KB5053656 or later is in place, there is no need for a Known Issue Rollback (KIR) or employing a special Group Policy workaround.
IT administrators and users should consider the following actions:
• Verify the update status on all Windows Server 2025 machines to ensure that the March patch or a subsequent fix has been applied.
• Monitor any anomalies in Remote Desktop behavior, and document instances where devices exhibit freezing.
• Communicate with your internal support teams to plan and test updates in a controlled environment before a broader rollout.
• Stay alert to official Microsoft statements for a more pinpointed fix for Windows Server 2025, considering that no fix date has yet been announced.
Historical Context and Industry Implications
This incident is not isolated. It echoes previous challenges where patch updates—in an attempt to close security loopholes—introduced stability issues. The contrast between the Windows 11 UDP glitch and the current server problem underscores the delicate balance that Microsoft must maintain between security enhancements and operational reliability. One might wonder: How often will IT managers face situations where needed security patches come with unintended side effects?
Drawing on past experiences, many administrators have learned that rigorous testing in controlled environments is paramount before pushing updates to production systems. The current situation reinforces the need for robust change management procedures, particularly in large-scale enterprises where Remote Desktop Protocol (RDP) is a lifeline for remote system management.
Expert Analysis and Broader Trends
From an IT governance perspective, the freezing issue serves as a cautionary tale. Microsoft’s rapid patch cycles, especially in an era of increased cybersecurity threats, put immense pressure on the quality assurance processes that underpin these critical updates. Although updates are intended to shore up security defenses, they sometimes inadvertently affect performance and usability—a trade-off that can trigger widespread disruption.
As organizations increasingly rely on Remote Desktop services to manage their virtual environments, even a minor lapse in session stability can cascade into operational disturbances. The current issue is a reminder that, while security is paramount, the reliability of connectivity and control interfaces must not be overlooked. Balancing these dual priorities is one of the great challenges of modern IT management.
Looking Ahead: What to Expect
While Microsoft has resolved the similar RDP disconnect problem for Windows 11 with the March 27 update, a corresponding solution for the Windows Server 2025 freezing remains on the horizon. Administrators should monitor Microsoft's update channels and internal support alerts closely. It is advisable to prepare backup measures, such as alternative remote access strategies, to ensure continuity in the event of future update-related complications.
This incident is likely to open up broader discussions within the IT community about the risks associated with rapid update rollouts and how best to integrate rigorous pre-deployment testing into daily operations. For Windows users, especially those managing server environments, staying ahead of these challenges requires vigilance, proactive communication with vendor support channels, and a healthy dose of caution.
Conclusion
The freezing of Windows Server 2025 Remote Desktop sessions following the February security update is a stark reminder that even critical patches can sometimes lead to unexpected complications. While Microsoft has already taken steps to resolve similar issues in Windows 11 with its March update, the server-side problem remains unresolved pending further patches. IT administrators must remain alert, apply the most recent updates where possible, and maintain robust backup access procedures to mitigate any severe disruption. In the dynamic world of Windows updates and cybersecurity, such instances reinforce the importance of proactive monitoring and continuous operational testing to ensure system stability and reliability.

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Source: The Register Windows Server 2025 freezing after February patch

Windows Server 2025 has hit a rough patch—literally. Microsoft has issued an advisory warning that a problematic February security update (KB5051987) is causing Remote Desktop sessions to freeze on Windows Server 2025 under certain conditions. This advisory comes just as IT administrators and engineers are gearing up for a busy update cycle, making it essential for Windows professionals to understand the nature of the issue, its impact, and the available workarounds.

What’s Going On?​

After installing the February 2025 security update (KB5051987) on Windows Server 2025 devices, users have reported that Remote Desktop (RDP) sessions freeze soon after they connect. In these instances, the mouse and keyboard within the session become unresponsive, forcing users to disconnect and establish a new connection. While this might seem minor at first glance, for enterprise environments that rely on stable remote connectivity, this issue translates into significant productivity disruptions and increased help desk tickets.

Key Details:​

• The faulty patch in question was released on February 11, 2025.
• The issue manifests under certain conditions during Remote Desktop sessions.
• Once the freeze occurs, none of the inputs – be it mouse movements or keyboard strokes – are registered.
• Users are advised to disconnect and reconnect to restore functionality.

This isn’t the first time Microsoft’s updates have caused trouble. Previously, a similar problem emerged with Windows 11 version 24H2 related to UDP-based RDP sessions disconnecting after 65 seconds when connecting to Windows Server 2016 or earlier. That glitch, which surfaced in January 2025, saw a significant spike in disconnections after the March security update was rolled out. However, the March update (KB5053656) resolved that particular issue for Windows 11 and earlier server versions. In the current scenario, Microsoft has not provided a firm timeline for a corrective update specifically targeting the Windows Server 2025 freezing problem, indicating that the solution is non-trivial and may require additional testing and refinements.

Technical Deep Dive: What’s Causing the Freeze?​

At the core of the issue is the well-intentioned effort to bolster security with KB5051987. However, as is sometimes the case with complex systems like Windows Server, security enhancements can inadvertently introduce instability.

Understanding the Mechanics:​

• Security Patch Integration: The February patch was designed to provide robust security improvements, ensuring that vulnerabilities are patched in a timely manner. Unfortunately, it appears that certain changes within the update interfere with the normal functioning of RDP sessions on Windows Server 2025.
• Remote Desktop Freezing: The symptom is clear: upon connection, the session becomes unresponsive. IT professionals have observed that the system fails to process input commands—a critical functionality in any remote management scenario.
• Comparison with Previous Glitches: The recent problem draws parallels with a prior issue in Windows 11. In that case, a bug in UDP-based RDP sessions resulted in timed disconnections. Microsoft’s proactive approach saw the release of KB5053656 in March 2025, which remedied that issue. But while the Windows 11 problem received a patch, Windows Server 2025’s stubborn freeze remains unresolved.

Technical Implications:​

• For organizations that manage multiple servers remotely, even a temporary loss in RDP responsiveness can cause operational hiccups.
• The freezing can introduce complications in automated scripts or remote administration tools that depend on continuous RDP sessions.
• Without a rollback or an interim fix from Microsoft, administrators may have to resort to disconnection and re-establishment of sessions, impacting workflows and session monitoring processes.

Microsoft’s Response & Recommendations​

When queried about the Windows Server 2025 freezes, Microsoft has maintained a tight-lipped stance. The advisory clearly states that while users on enterprise-managed devices who have installed the March security update (KB5053656) or later in Windows 11 need not worry about similar issues, the same reassurance does not extend to Windows Server 2025.

Microsoft’s Official Guidance:​

• Users encountering the freeze should disconnect and reconnect. While this is a simple workaround, it only addresses the symptom rather than the underlying problem.
• No date has been provided for when a fix for Windows Server 2025 will be available, suggesting that the issue may be complex and require further in-depth analysis.
• The advisory hints at the possibility of a future update, but in the meantime, it remains a critical point of concern for system administrators.

For IT administrators, this means maintaining vigilance. While the fix for the similar UDP-based disconnect issue in Windows 11 was rolled out swiftly, the server-side problem may demand more rigorous testing and additional feedback from enterprise deployments before a corrective patch is finalized.

What Should Administrators Do?​

Until Microsoft rolls out a verified fix for Windows Server 2025, there are several recommended actions that IT professionals can take:

Immediate Steps:​

• Monitor Systems Closely: Keep a close watch on remote sessions and log any incidents of freezing. Pattern recognition can provide valuable data for Microsoft and your internal IT department.
• Implement a Connection Protocol: Develop a standardized procedure for disconnecting and reconnecting affected sessions. Consider automated scripts or alerts to prompt a quick reconnection.
• Backup and Documentation: Ensure that all critical data is backed up and that a thorough record of the issue is maintained. Documentation is vital for troubleshooting and providing feedback on system behavior.
• Test Before Roll-Out: If you’re managing a lab environment or a pilot group of servers, caution in applying new security updates remains paramount. Test updates on non-critical systems before a full-scale rollout.

Long-Term Considerations:​

• Stay Informed: Follow update advisories closely from Microsoft and technical news outlets. Early warnings about software glitches can be critical for planning maintenance windows or scheduling backups.
• Engage with Your Vendors: If you’re part of an enterprise with a dedicated vendor support line, report the freezing issue. Collective feedback can accelerate the development of a targeted fix.
• Review Security Policies: As organizations update their defined procedures for patch management, consider how critical availability of remote services intersects with security update cycles. Crafting a strategy may involve delaying updates until stability is confirmed.

Practical Impact and Broader Implications​

The implications of this update glitch extend beyond mere inconvenience. In a world where remote work and virtualized environments have become the norm, the reliability of remote desktop protocols is more crucial than ever. Server downtime or intermittent disruptions can cascade into larger issues, affecting everything from daily administrative tasks to mission-critical applications.

Broader Impact on Windows Ecosystem:​

• Remote Administration Tools: Many organizations rely on uninterrupted RDP sessions to manage cloud infrastructure, virtual machines, and even routine user support. A freeze can derail these operations.
• User Confidence in Updates: Continuous stability issues may erode trust in the update mechanism. IT admins might grow wary of rolling out critical security patches without exhaustive testing, thereby inadvertently exposing systems to security risks.
• Replication of Previous Issues: The similarity to past glitches—like the UDP-based RDP disconnection in Windows 11—raises concerns about the testing and integration protocols for newer server versions. When similar issues emerge across product lines, it can signal broader challenges in ensuring backward compatibility and stability.

These dynamics prompt a wider discussion among IT communities: How can organizations balance immediate security needs with the imperative of service reliability? As controversial as it sounds, sometimes the safest approach in enterprise environments might involve delaying widespread deployment of patches until robust field testing has been completed.

Looking Ahead: What’s Next for Windows Server 2025?​

While the precise timeline for a fix remains uncertain, this episode serves as both a cautionary tale and a prompt for continuous improvement. Microsoft's history of addressing similar issues shows a commitment to quality, even if the current situation with Windows Server 2025 is proving more challenging.

Anticipated Developments:​

• Future Patches: Microsoft is undoubtedly working behind the scenes to develop a corrective update that targets the current freeze. Given the patch’s critical nature, IT administrators can expect further communications and recommendations in the near future.
• Enhanced Testing Procedures: This incident could lead to improved pre-release testing protocols, especially for features that impact remote connectivity. The lessons learned here may refine how future updates are assessed before public deployment.
• Community Feedback: Tech forums, internal IT networks, and industry publications will likely play a crucial role in sharing workarounds and collectively solving issues while waiting for an official patch. Windows professionals are encouraged to share their experiences and solutions in community discussions.

Expert Perspective:​

In my years of covering Microsoft and Windows-related issues, incidents like these underscore the delicate balance between security and usability. One might ask, “How do we ensure that the urgency of patching security vulnerabilities does not compromise functionality?” The answer is often found in iterative testing, user feedback, and robust contingency planning. While Microsoft has proven adept at resolving issues once identified, the initial impact on the enterprise environment can be substantial, highlighting the need for proactive risk management among system administrators.

Final Thoughts​

In summary, the freezing of Remote Desktop sessions on Windows Server 2025 due to the February security update KB5051987 is a stark reminder of how intertwined security and stability are in today’s IT landscape. With the pressing need for robust remote connectivity, any disruption can jeopardize the daily operations of businesses that rely on these services.
To recapitulate:

• A faulty February patch (KB5051987) is affecting Windows Server 2025, causing RDP session freezes.
• The symptoms are reminiscent of previous issues seen in Windows 11, which were remedied with a subsequent update.
• Microsoft has not yet released a fix or provided a timeline for when a solution for Windows Server 2025 might be available.
• IT administrators should monitor systems closely, apply workarounds, and stay updated on future advisories.
• This incident is a learning opportunity for the broader Windows community to enhance protocols around patch management and system stability.

As we await a definitive fix from Microsoft, remember that staying informed and vigilant remains the best defense. Share your experiences, adjust your patch management strategies, and keep the conversation alive in forums like WindowsForum.com, where collective expertise drives forward the understanding and solution of such technical challenges.

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Source: The Register Windows Server 2025 freezing after February patch

Microsoft has issued a stark advisory for Windows Server 2025 users following reports of remote desktop freezing after installing the February security update (KB5051987). In what appears to be a critical stability issue, the affected systems experience an abrupt loss of mouse and keyboard responsiveness shortly after a Remote Desktop connection is established. This latest incident has sent ripples through the IT community, with many system admins now re-evaluating their patch management routines.

What’s Happening?​

The core of the issue lies in a patch released on February 11, 2025. Once installed, users have noted that Remote Desktop sessions freeze under certain conditions. When the problem manifests, the entire session becomes unresponsive—forcing users to disconnect and reconnect just to continue their work. This behavior not only disrupts productivity but also poses significant concerns for enterprise environments that rely on seamless remote connectivity for daily operations.
Key details include:

• The problematic update is KB5051987, a post-February security patch.
• The freeze impacts Remote Desktop sessions on Windows Server 2025 immediately after connection.
• Users report that once the issue occurs, both mouse and keyboard inputs are rendered useless until reconnection.

Microsoft, however, has not provided a definitive timeline for a resolution on Windows Server 2025. The lack of a scheduled fix suggests that the underlying issue might be more complex than initially anticipated.

An Echo from the Past: Similar Glitches on Other Systems​

Interestingly, this isn’t the first time Microsoft has encountered issues with remote desktop functionality. A similar malfunction was reported affecting Windows 11 version 24H2, where UDP-based Remote Desktop sessions disconnected after exactly 65 seconds when interfacing with Windows Server 2016 or earlier. This earlier glitch, which began in January 2025, saw a dramatic uptick in disconnections following the March security update.
Highlights from the related incident:

• The Windows 11 anomaly was specifically tied to UDP communication in Remote Desktop sessions.
• It resulted in consistent 65-second disconnections when connecting to older server versions.
• A subsequent update (KB5053656, released March 27, 2025) successfully resolved the issue for Windows 11 users.

For those on enterprise-managed devices who have implemented the March update (KB5053656) or later, Microsoft confirms that there's no need to resort to a Known Issue Rollback or apply special Group Policy tweaks. However, the pending fix for Windows Server 2025 indicates that the resolution for this platform might require additional testing and potentially a different approach.

The Technical Implications for IT Departments​

Remote Desktop Protocol (RDP) is a critical lifeline for IT administration—it facilitates remote troubleshooting, updates, and overall system management. When a patch undermines this functionality, the impact ripples out in several ways:

• Operational Downtime: Frozen sessions interrupt workflows. For organizations that depend on real-time server management, even a brief connectivity lapse can be disruptive.
• Security Concerns: While security patches are intended to bolster protection, an update that impairs functionality can inadvertently open gaps in operational security. Downtime or the need to roll back updates might expose systems to risk during the transitional period.
• Patch Management Strategies: Incidents like this underscore the importance of staged deployments and testing patches in controlled environments before full-scale rollout. It’s a reminder of the delicate balance between maintaining robust security and ensuring system stability.

Administrators are encouraged to remain vigilant about new patches and review feedback from early adopters or pilot groups. Establishing a rigorous testing protocol can help mitigate the risks associated with faulty updates and ensure that critical services like RDP remain operational.

Recommendations and Immediate Workarounds​

For organizations currently affected, consider the following steps to manage the situation until Microsoft issues a permanent fix for Windows Server 2025:

• Monitor Update Status: Regularly check for new advisories from Microsoft. Although the fix date for Windows Server 2025 has not been provided, staying updated will help you plan accordingly.
• Test Before Deploying: If possible, set up a testing environment to validate the impact of new patches on Remote Desktop functionality before applying them to production servers.
• Plan for Downtime: For sessions already affected by the freeze, be prepared to disconnect and reconnect. This simple yet necessary workaround, while disruptive, minimizes extended downtime.
• Review Rollback Policies: For devices running Windows 11 version 24H2, ensure that update KB5053656 is applied. For Windows Server 2025, review known issue rollback procedures if you experience persistent issues.
• Engage your IT Community: Share experiences and solutions on trusted forums. Collaborative discussions can often surface alternative workarounds or unofficial advisories that may help bridge the gap until an official fix is released.

Looking Ahead: Patching in the Modern Era​

In a constantly evolving cybersecurity landscape, updates are both a defensive necessity and a potential source of unforeseen issues. This incident serves as yet another cautionary tale about the dual-edged nature of automated patching systems. With every update, IT departments must balance improved security with the potential for new glitches.
Rhetorical questions that linger include:

• How can patch deployment protocols be further refined to catch such critical issues before they affect live environments?
• Is there a need for enhanced post-release monitoring that can trigger immediate rollbacks or advisories before mass disruption occurs?

The expectation is that Microsoft will undertake meticulous investigations to resolve the Windows Server 2025 issue without compromising the overall security posture of its enterprise offerings.

Final Thoughts​

While the ability to swiftly deploy security patches has long been a cornerstone of modern IT infrastructure, this latest incident with Windows Server 2025 spotlights the inherent risks tied to such updates. For system administrators, the experience reiterates the essential need for vigilance, thorough testing, and proactive engagement with update processes. As the situation evolves, the IT community on Windows Forum remains the go-to resource for sharing practical advice and collective wisdom, ensuring that every Windows user is better prepared to navigate the maze of modern system administration without missing a beat.
Staying informed and cautious is key—after all, in the fast-paced world of IT, a single patch can make all the difference.

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Source: The Register Windows Server 2025 freezing after February patch

Windows Server 2025 is facing a frosty reception from its user base following a recent patch update. IT administrators and remote workers alike have observed that Remote Desktop sessions are freezing shortly after connection when the February 2025 Security update (KB5051987) is installed. As critical keyboard and mouse inputs become unresponsive within sessions, users are forced to disconnect and reconnect—a situation that has drawn sharp attention from professionals across the board.

A Freezing Conundrum: What’s Happening?​

After the rollout of KB5051987 on February 11, 2025, reports began pouring in that Windows Server 2025 devices were exhibiting troubling behavior. Specifically, once a Remote Desktop session is initiated, the input devices—both the mouse and keyboard—suddenly become non-responsive. This freezing phenomenon disrupts critical remote management tasks and can stall workflow processes, causing headaches for system administrators tasked with keeping digital operations smooth.
Key points of the issue include:
• Remote Desktop sessions become unresponsive shortly after connection.
• Input devices freeze, forcing users to disconnect and try reconnecting.
• The issue appears most common on Windows Server 2025 systems running the February security update or later updates derived from it.
The advisory from Microsoft highlights the issue with a tone that leaves little room for ambiguity: this is a known fault that directly impacts remote connectivity on critical server deployments.

Historical Glitches and Comparisons with Windows 11​

For those familiar with patch-induced woes, this isn’t the first time Microsoft’s update process has encountered hiccups. A similar malfunction previously affected Windows 11 version 24H2. In that case, connections using UDP-based Remote Desktop protocols on Windows Server 2016 or earlier were disrupted after exactly 65 seconds. The January glitch escalated with the March security update, leaving many users disconnected at inconvenient times.
The display of déjà vu here is notable:
• The Windows 11 issue was resolved with the March 27, 2025 update (KB5053656).
• Remote Desktop disconnections in Windows 11 were primarily linked to UDP-based connection protocols.
• While the Windows 11 problem is now largely behind us, its resemblance to the Server 2025 issue underscores the challenges of deploying complex updates across divergent system architectures.
What’s curious is how these issues, though affecting different products, seem to arise from related update practices. When a patch introduces instability in a core service like Remote Desktop, the result is a temporary breakdown in functionality that forces users into a cycle of disconnects and reconnections—hardly an ideal scenario in high-demand enterprise environments.

Digging Into the Technical Details​

Understanding why KB5051987 causes Remote Desktop sessions to freeze requires a closer look at the update’s impact on the underlying components:
• The update in question likely introduced changes to core system files related to Remote Desktop protocols.
• When these changes interact with existing configurations, especially in environments where consistent remote management is essential, the result is a freeze in mouse and keyboard responsiveness.
• The timing of the freeze—soon after connection—is telling. It suggests that once the new code begins actively handling session interactions, any latent bugs trigger the malfunction.
Given that Microsoft has not provided a clear timeline for a fix on the Server operating system, speculation is rife among professionals. Is the issue related to network drivers, a conflict in remote session protocols, or an unforeseen interaction with existing enterprise Group Policies? Without detailed technical disclosure, IT administrators must rely on workarounds and the subsequent patch releases to maintain service continuity.

Enterprise Impact and User Workarounds​

For enterprises, relying on Remote Desktop technology is more than a convenience—it is mission-critical. The freeze not only interrupts remote access but, in high-stress environments, can lead to loss of productivity during peak operational hours. While the current guidance emphasizes updating to the latest available service pack where relevant—specifically noting that systems on enterprise-managed devices which have received KB5053656 or later updates are exempt from additional workaround measures—the interim period demands vigilance.

Quick Troubleshooting Steps:​

• Verify update history: Check your Windows update logs to confirm whether KB5051987 is installed and identify affected machines.
• Disconnect and reconnect: As a temporary workaround, if a session freezes, simply disconnect and log back in. This may restore input functionality until a more permanent fix is applied.
• Monitor update release channels: Keep a close eye on official Microsoft patch notes and advisories. Once a fix for Windows Server 2025 becomes available, prompt deployment will be necessary.
• Review Group Policy settings: For non-enterprise-managed devices, ensure no special policies or Known Issue Rollbacks (KIR) are pending that might conflict with standard update procedures.
System administrators are advised to treat these steps as part of a broader patch management strategy, balancing the necessity of security updates against the operational risks of known issues.

The Broader Implications for Patch Management​

The situation with KB5051987 is a stark reminder of the delicate balance between deploying critical security updates and ensuring operational stability. In today’s fast-paced tech landscape, administrators must be prepared for the unexpected—the very patch designed to secure systems might, for a time, destabilize them. Microsoft’s approach—rolling out frequent updates to address emergent threats—underscores a commitment to security, but it also places a premium on robust testing before widespread deployment.
Consider these broader implications:
• The update lifecycle in modern operating systems is a double-edged sword; rapid deployment can mitigate emerging threats but also increase the risk of regression bugs.
• Enterprises are compelled to adopt defensive measures such as staged rollouts and comprehensive testing environments to catch such issues early.
• The Windows 11 experience serves as a case study in how quick fixes (like KB5053656) can restore stability, reinforcing the need for agility in IT management.
For IT professionals, this incident is both a cautionary tale and a call to refine existing patch management workflows. It challenges administrators to implement additional layers of validation before committing changes that could affect millions of users across critical infrastructures.

Windows Forum Insights: Lessons Learned from Remote Desktop Issues​

At WindowsForum.com, we regularly dive deep into the nuances of Microsoft’s latest updates and their impact on the end-user experience. Here are some key takeaways for any IT professional who might be grappling with similar issues:
• Proactive Monitoring: Regularly review update logs and system performance metrics after patch deployments. Early detection of anomalies can make a significant difference in taking corrective action.
• Communication Channels: Set up clear lines of communication both internally and with Microsoft support channels. Feedback loops help convey on-the-ground impacts, potentially accelerating the rollout of fixes.
• Contingency Planning: Develop fallback plans including system snapshots or rollback strategies before applying major updates. This ensures operational continuity even if a new patch disrupts service.
• Learning from the Past: The Windows 11 UDP-based issue, which was effectively resolved by KB5053656, provides a useful blueprint for addressing similar problems in other systems like Windows Server 2025.
Discussing these measures in a community dedicated to Windows expertise encourages a collaborative approach to troubleshooting—a hallmark of the Windows Forum community.

What’s Next for Windows Server 2025?​

As it stands, Microsoft has yet to announce a definitive fix for the Windows Server 2025 freezing issue related to KB5051987. The advisory leaves open questions about the timeline for a resolution, suggesting that the underlying problem may be non-trivial and requires additional in-depth investigation. For now, IT professionals are recommended to stay on top of the latest update patches, along with any mitigation efforts that may be introduced in forthcoming releases.
Looking forward, one might ask: What does this mean for future update cycles? The incident highlights the ongoing necessity for:
• Enhanced pre-release testing environments that mimic enterprise settings more accurately.
• Transparent communication from vendors regarding potential side effects of security updates.
• An agile IT infrastructure that is resilient in the face of unexpected disruptions.
It also serves as a reminder that, despite the high level of sophistication in modern operating systems, even minor updates can produce significant ripples in the vast ecosystem of remote administration and enterprise IT management.

A Word to the Wise​

In the high-stakes world of IT infrastructure management, every update is a leap into the unknown. The freezing issue on Windows Server 2025, triggered by the KB5051987 patch, is a clear example of how even well-intentioned security measures can have unintended consequences. Yet, as history has shown—and as demonstrated by the resolution in Windows 11—the path to stability is often paved with iterative updates and the lessons learned from each challenge.
For administrators still wrestling with these disruptions, consider the following reflective points:
• Have you established robust testing and rollback procedures before rolling out major updates?
• Are your teams in sync about the potential impacts of cascading updates on remote desktop functionality?
• How might you leverage insights from previous incidents, such as the Windows 11 UDP glitch, to bolster your systems against similar threats?
By fostering a culture of continuous improvement and proactive risk management, IT professionals can not only navigate the current patch-induced pitfalls but also lay the groundwork for a more resilient infrastructure in the future.

Conclusion​

The current freezing issue in Windows Server 2025, following the release of the February 2025 Security update KB5051987, is a potent reminder of the intricate dance between security and functionality. As institutions grapple with the unforeseen side effects of a well-meaning update, the collective focus now shifts to mitigation, communication, and vigilant monitoring. Drawing lessons from the earlier Windows 11 experience, where a similar malfunction was rectified with the KB5053656 update, enterprises are encouraged to adopt a patient yet proactive stance.
In the ever-evolving landscape of Windows updates, it is clear that maintaining stability requires both technical acumen and a readiness to adapt. The wintry freeze of remote desktop sessions may just be a temporary setback—a frosty glitch on the road to better, more secure operating systems. For now, IT professionals must keep their wits about them, stay informed through trusted channels, and prepare to implement new updates as soon as they’re available.
As always, Windows Forum remains dedicated to providing up-to-date, fact-driven analysis and practical guidance to help you navigate these complex challenges with confidence and a dash of humor. Stay tuned for further updates, and until then, don’t let a frozen session keep you out in the cold.

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Source: The Register Windows Server 2025 freezing after February patch

Here’s a summary of the article you referenced from The Register regarding the Windows Server 2025 Remote Desktop freezing issue:

• Issue: After installing the February 2025 Security update (KB5051987) and later updates, users of Windows Server 2025 may experience Remote Desktop sessions freezing shortly after connection. When this bug occurs, both mouse and keyboard input become unresponsive within the session, forcing users to disconnect and reconnect.
• Status: Microsoft has not provided an estimated date for a fix, indicating this is a non-trivial problem to resolve.
• Related Problem: A similar issue affected Windows 11 version 24H2, where UDP-based Remote Desktop sessions would disconnect after 65 seconds when connecting to Windows Server 2016 or earlier. This started in January but saw a big increase in March.
• Resolution for Windows 11: The Windows 11 issue was fixed by the March 27, 2025 update (KB5053656) and later. Microsoft recommends installing the latest update as it contains important fixes, including this one. For enterprise-managed devices, no additional rollback or special group policy is needed if the March 27 update or later is installed.
• Official Statement: Microsoft declined to add further comments on the situation.

Source: The Register, "Windows Server 2025 locking up after February patch, no word of when a fix will land"

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Source: www.theregister.com Windows Server 2025 freezing after February patch

Here's a summary of the article from The Register regarding the Windows Server 2025 Remote Desktop freezing issue:

• Issue Description: After installing the February 2025 Security update (KB5051987) or later updates, Windows Server 2025 users may experience Remote Desktop sessions freezing soon after connecting. When this occurs, mouse and keyboard become unresponsive, forcing users to disconnect and reconnect to resume work.
• Microsoft’s Response: Microsoft acknowledged the problem and has not provided a timeline for a fix, suggesting the problem is complex. The advisory was clear that users should expect the bug to persist until a formal resolution is released.
• Similar Previous Issues: A related issue impacted Windows 11 version 24H2, causing UDP-based Remote Desktop sessions to disconnect after 65 seconds when connecting to Windows Server 2016 or earlier. The situation escalated after the March security update, affecting more users.
• Resolution for Windows 11: Microsoft issued a fix for the Windows 11 problem in updates released March 27, 2025 (KB5053656) and later. Users are recommended to install the latest update to receive this and other improvements. Enterprise-managed devices with the March 27 update don’t need additional steps or known issue rollbacks.
• Current Status: As of the article’s publication, Microsoft had "nothing more to add" about the Windows Server 2025 fix timeline.

Source and more information:
The Register - Windows Server 2025 locking up after February patch, no word of when a fix will land

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Source: www.theregister.com Windows Server 2025 freezing after February patch

Here is a concise summary of the article from The Register about the Windows Server 2025 Remote Desktop freezing issue:

• Microsoft has confirmed that after installing the February 2025 Security update (KB5051987) and later updates on Windows Server 2025, Remote Desktop sessions may freeze shortly after connection. When this happens, keyboard and mouse become unresponsive and users must disconnect and reconnect to continue working.
• There is currently no date given by Microsoft for when a fix will be released for Windows Server 2025, implying the issue is complex.
• A similar issue previously affected Windows 11 version 24H2, causing UDP-based Remote Desktop sessions to disconnect after 65 seconds when connecting to Windows Server 2016 or earlier. That issue was resolved by the March 27, 2025 update (KB5053656).
• Microsoft recommends installing the latest updates, as the March 27, 2025 update and later address the problem for affected Windows 11 installations. Enterprise-managed devices that have this update do not need a Known Issue Rollback or special Group Policy workaround.
• Microsoft has not provided further comment regarding a fix for Windows Server 2025.

Original article link: The Register

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Source: www.theregister.com Windows Server 2025 freezing after February patch

Here is a summary of the main points from the article on The Register regarding the Windows Server 2025 Remote Desktop freezing issue:

• Microsoft confirmed that a security update released in February 2025 (KB5051987) and later updates are causing Remote Desktop sessions on Windows Server 2025 to freeze. Input via mouse and keyboard becomes unresponsive, requiring users to disconnect and reconnect to regain control.
• The problem is serious enough that Microsoft has not provided a fix date, suggesting the issue is complex.
• A similar problem occurred with Windows 11 version 24H2 where UDP-based Remote Desktop sessions disconnected after 65 seconds when connecting with Windows Server 2016 or earlier. This issue was exacerbated by a March update.
• For Windows 11, the March 27, 2025 update (KB5053656) resolved the problem. Microsoft recommends installing the latest updates, which include the necessary fixes.
• Users with enterprise-managed devices that have installed the March 27 update or later do not need to use special workarounds like Known Issue Rollback (KIR) or custom Group Policy.
• Microsoft hasn't provided further comment or timeline beyond its advisory.

For official details or updates, it is referenced that more information is available on the Microsoft health status page for Windows Server 2025.
Source: The Register article – Windows Server 2025 freezing after February patch

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Source: www.theregister.com Windows Server 2025 freezing after February patch

Here is a summary of the key information from the article on The Register regarding the Windows Server 2025 Remote Desktop freezing issue after the February patch:

• Issue: After installing the February 2025 Security update (KB5051987) and later updates on Windows Server 2025, Remote Desktop sessions may freeze shortly after connecting. When this issue occurs, mouse and keyboard input become unresponsive, requiring users to disconnect and reconnect.
• Fix Status: As of the article's publication, Microsoft has not provided a timeline for when a fix will be available for Windows Server 2025, indicating the problem is complex.
• Related Issue: A similar problem affected Windows 11 version 24H2, causing UDP-based Remote Desktop sessions to disconnect after 65 seconds when connecting to Windows Server 2016 or earlier. This was exacerbated by the March update, increasing the number of disconnections.
• Resolution for Windows 11: For Windows 11, the issue was resolved with the update released on March 27, 2025 (KB5053656) and later. Microsoft recommends installing the latest update for improvements and resolutions, including this one. If you already have this update on an enterprise-managed device, you don't need to use Known Issue Rollback (KIR) or special Group Policy.
• Additional Info: Microsoft did not provide further comment when asked about the Windows Server 2025 situation.

Source: The Register article

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Source: www.theregister.com Windows Server 2025 freezing after February patch

Here’s a summary of the article from The Register regarding the Windows Server 2025 Remote Desktop freeze issue after the February update:
Key Points:

• A faulty Microsoft patch (KB5051987) released on February 11, 2025, is causing Windows Server 2025 Remote Desktop sessions to freeze soon after connection.
• When the freeze occurs, mouse and keyboard input become unresponsive, and users must disconnect and reconnect.
• Microsoft has not yet provided a fix or date for resolving the issue for Windows Server 2025, indicating that the solution is not simple.
• A similar problem affected Windows 11 version 24H2, where UDP-based Remote Desktop sessions to Server 2016 or earlier would disconnect after 65 seconds. The number of affected users increased significantly after the March 2025 updates.
• The Windows 11 issue was resolved with the March 27, 2025 (KB5053656) update, and users are recommended to install the latest updates for fixes. For enterprise devices, no special rollback or Group Policy is needed if the March 27 update or later is installed.
• Microsoft declined to offer further comments on the situation.

Source:
The Register – Windows Server 2025 locking up after February patch, no word of when a fix will land
If you need advice for mitigation or further technical details, let me know!

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Source: www.theregister.com Windows Server 2025 freezing after February patch

Here is a summary of the article from The Register regarding the Windows Server 2025 Remote Desktop freezing issue:
Issue Summary:

• After installing the February 2025 Security update (KB5051987) or any later updates on Windows Server 2025, Remote Desktop sessions may freeze.
• When this happens, keyboard and mouse input become unresponsive in the session, forcing users to disconnect and reconnect to regain control.
• Microsoft has not provided a date for when a fix for Windows Server 2025 will be available, suggesting this is a complex issue.

Similar Historical Issue:

• A similar problem previously affected Windows 11 version 24H2, causing UDP-based Remote Desktop sessions to disconnect after 65 seconds when connecting to Windows Server 2016 or earlier.
• This previous issue was resolved by installing the March 27, 2025 update (KB5053656) or later.
• For Windows 11, installing the latest update after March 27, 2025, resolves the issue, and enterprise devices no longer need to use Known Issue Rollback (KIR) or special Group Policies for mitigation.

Takeaway:

• As of this writing, Microsoft has not announced a fix for the Windows Server 2025 issue, and the only current workaround is to disconnect and reconnect if the session freezes.
• There is no additional guidance or comments from Microsoft at this time.

Reference:
Read the original article on The Register

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Source: www.theregister.com Windows Server 2025 freezing after February patch

Here is a summary of the article about the Windows Server 2025 Remote Desktop freezing issue referenced from The Register:
Summary of the Issue:

• Microsoft warns that a faulty patch (KB5051987), released on February 11, 2025 (and later updates), is causing Windows Server 2025 devices to experience Remote Desktop sessions freezing shortly after connection.
• When the issue occurs, both mouse and keyboard input become unresponsive within the session. The only workaround is to disconnect and reconnect to the session.
• As of the article date, Microsoft had not provided a timeline for when a fix would be available for Windows Server 2025, indicating it is a complex issue.

Related Issue and Resolution:

• A similar malfunction affected Windows 11 version 24H2, causing UDP-based Remote Desktop sessions to disconnect after 65 seconds when connecting to Windows Server 2016 or earlier.
• This related issue was resolved by updates released on March 27, 2025 (KB5053656), and later.
• Microsoft advises installing the latest updates as they contain the necessary improvements and resolutions for Remote Desktop issues, at least for affected Windows 11 systems.
• For enterprise-managed devices updated with KB5053656 or later, no Known Issue Rollback (KIR) or Group Policy is needed.

Current Status:

• Microsoft has not announced a fix specifically for Windows Server 2025 as of late March 2025.

Source:
The Register: Windows Server 2025 locking up after February patch, no word of when a fix will land
Would you like a condensed summary, advice on workarounds, or more technical analysis?

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Source: www.theregister.com Windows Server 2025 freezing after February patch

Here’s a summary of the article from The Register regarding the Windows Server 2025 Remote Desktop freezing issue:

• Problem: After installing the February 2025 Security update (KB5051987) or later on Windows Server 2025, Remote Desktop sessions may freeze shortly after connection. When frozen, mouse and keyboard input become unresponsive, forcing users to disconnect and reconnect.
• Microsoft's Stance: As of now, Microsoft has not announced a timeline for a fix, suggesting the issue is complex.
• Related Issue: A similar bug affected Windows 11 version 24H2, causing UDP-based Remote Desktop sessions to disconnect after 65 seconds when connecting to Windows Server 2016 or earlier. That issue became worse after the March update.
• Resolution for Windows 11: Microsoft resolved the Windows 11 disconnection issue with the March 27, 2025, update (KB5053656). Installing this or a later update is recommended as it includes the fix.
• No Known Issue Rollback Needed: For enterprise-managed devices, applying the March 27 update (or later) means there’s no need to initiate a Known Issue Rollback or modify Group Policy for this issue.
• Official Statement: Microsoft has not provided further comment or a fix timeline for Windows Server 2025 at this time.

Source: The Register – Windows Server 2025 locking up after February patch, no word of when a fix will land

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Source: www.theregister.com Windows Server 2025 freezing after February patch

Here is a summary of the key points from the article on The Register regarding the Windows Server 2025 Remote Desktop freezing issue:
Summary:

• Microsoft has confirmed that a bug introduced by the February 2025 Security update (KB5051987), released on February 11, 2025, and later updates, is causing Remote Desktop (RDP) sessions on Windows Server 2025 to freeze shortly after connection.
• When the issue occurs, mouse and keyboard input in the RDP session become unresponsive, requiring users to disconnect and reconnect.
• Microsoft has not provided a timeline for a fix for Windows Server 2025, indicating the problem is complex.
• A related issue affected Windows 11 version 24H2, where UDP-based RDP sessions would disconnect after 65 seconds when connecting to older Windows Server versions (2016 or earlier). This earlier issue saw a spike in reports after March's security update.
• The Windows 11/24H2 issue was resolved by the March 27, 2025, update (KB5053656), with Microsoft recommending everyone update to the latest release, which contains the fixes.
• For enterprise-managed devices with KB5053656 or later installed, no further rollback or special Group Policy is needed.

References:

• The Register: Article link
• Microsoft Health Dashboard: Relevant advisory

Summary for IT teams:
If your Windows Server 2025 deployments are impacted by RDP freezes after February patches (KB5051987 or later), a fix has not yet been released for Server 2025 as of late March 2025. If you administer Windows 11 version 24H2 facing UDP-based RDP drops, install the March 27 update (KB5053656) or later, which resolves that issue.
Let me know if you need mitigation tips or further technical details.

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Source: www.theregister.com Windows Server 2025 freezing after February patch