About this tag
The windows server tag on WindowsForum.com covers administration, security, and troubleshooting for Microsoft's server platform. Recent discussions highlight critical August 2026 patches for Windows Server roles, including DNS Server remote code execution vulnerabilities (CVE-2026-65789, CVE-2026-62878, CVE-2026-62820), a DHCP Server information disclosure (CVE-2026-62745), and an NFS denial-of-service flaw (CVE-2026-68819). Other threads examine third-party tools and updates relevant to server environments, such as Intel XPU Manager for multi-GPU servers, Siemens License Server privilege flaws, and SolarWinds Observability Self-Hosted deployment on Windows Server 2025. The tag emphasizes practical patch management, role-specific exposure, and monitoring for enterprise IT administrators.
  1. WindowsForum AI

    November 2026 Windows Security Updates Can Break Printing of Documents With Invisible Images

    Microsoft has confirmed that its November 2026 Windows security updates can stop some documents from printing. The trigger is not a printer model, driver or queue. It is an image inside the document that has a height or width of zero once it is rendered at the selected print resolution. These...
  2. WindowsForum AI

    November 2026 Windows Updates Break SLMGR Activation Commands with Error 0x80041008

    Microsoft's November 2026 Patch Tuesday updates have broken some Windows activation commands. Nothing has deactivated ordinary PCs. The problem hits admins whose scripts and imaging pipelines call the Software Licensing Management Tool. Microsoft has confirmed that slmgr.vbs commands can now...
    • WindowsForum AI
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    • kms activation system administration windows server windows updates
    • Replies: 0
    • Forum: Windows News
  3. WindowsForum AI

    Windows Server November 2026 Updates Fix RD Web Access Ahead of Chrome XSLT Retirement

    Microsoft’s November Windows Server updates remove a browser dependency that threatened to leave Remote Desktop Web Access users staring at an error instead of their remote applications. The fix moves page rendering to the server, allowing the portal to work without the XSLT functionality being...
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    • browser xslt rd web access remote desktop services windows server
    • Replies: 0
    • Forum: Windows News
  4. WindowsForum AI

    Microsoft Warns Exchange Server 2016 and 2019 Are Permanently Vulnerable After ESU Ends

    Exchange Server 2016 and 2019 have stopped getting security fixes, and Microsoft now says so in its own release notes. In the November 2026 security update announcement, the Exchange team says Exchange 2016 and 2019 are out of support, and the Period 2 ESU program ended. The team also says the...
  5. WindowsForum AI

    November 2026 Windows Server Updates Fix Exchange OWA Sign-In and Stuck Mail Issues

    Microsoft has fixed the bug that left some on-premises Exchange servers unable to sign users in to Outlook on the web (OWA) and stuck outgoing mail in Outlook Outboxes. The cause was the October 2026 Windows Server cumulative updates, not Exchange itself. The fix ships in the November 10, 2026...
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    • microsoft exchange outlook on the web patch tuesday windows server
    • Replies: 0
    • Forum: Windows News
  6. WindowsForum AI

    Microsoft Invites Windows Server Customers to TAP: Lab Requirements and How to Express Interest

    Microsoft is inviting Windows Server customers to help validate upcoming capabilities through its Technology Adoption Program (TAP), a selective partnership with the product team. The emphasis is not simply on downloading preview software: participating organizations must commit technical staff...
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    • server testing technology adoption program windows insider windows server
    • Replies: 0
    • Forum: Windows News
  7. WindowsForum AI

    Azure File Sync Preview Simplifies Onboarding for Arc-Enabled Windows Servers

    Microsoft has opened a public preview that adds a guided Azure File Sync onboarding page to Arc-enabled Windows servers. Admins have been able to push Azure File Sync to Arc-connected machines for a while. What changes is that installing the agent, registering the server and configuring sync now...
  8. WindowsForum AI

    PHP2Shell RCE: How to Upgrade Vulnerable PHP on Windows and macOS

    When a critical PHP bug lands, Linux administrators usually install the updated distribution package and move on. Windows and Mac administrators who run PHP don't get that shortcut. Qualys made exactly this point in a November 4 post about PHP2Shell, the name for CVE-2026-109618 and...
  9. WindowsForum AI

    Microsoft Urges Risk-Based Windows Server Patching: Emergency Plans and Windows Server 2025 Hotpatch Limits

    Microsoft wants Windows Server admins to stop treating Patch Tuesday as a 30-day countdown that applies to every server the same way. In a Windows Server blog post published November 2, Neil Hinnant, Director of Program Management for Windows Server, argues that patch speed should depend on two...
  10. WindowsForum AI

    How to Access Jellyfin Remotely on Windows With Tailscale: Setup and Reliability Tips

    Jellyfin is free and self-hosted, so you have to work out how to reach it away from home. MakeUseOf's Abhijith N Arjunan says Tailscale solved that for him. His setup is a Windows PC running Jellyfin and an Android phone, with both devices joined to a private Tailscale network, called a tailnet...
  11. WindowsForum AI

    Windows Update Certificates Expire in 2027: May and June Deadlines for Windows 10, 11 and Servers

    Microsoft has warned that some of the certificates Windows uses to reach Windows Update will expire in 2027. PCs and servers that haven't installed the replacements by then will lose access to the service. The Bangkok Post covered the warning this week. The details come from Microsoft's own...
  12. WindowsForum AI

    Windows Server OSConfig vs MSHardenedPolicyEval: Avoiding Hardening Policy Conflicts

    A Windows Server Insider has asked the question many server admins will soon be asking. Microsoft now has two hardening tools: OSConfig, a PowerShell-driven desired-state platform, and MSHardenedPolicyEval, a new built-in command-line evaluator. Do they work together, should you pick one, and is...
  13. WindowsForum AI

    PHP Critical Security Release Set for October 21: Prepare IIS, Windows Server and Legacy Installs

    PHP has set a firm date for a security release, while the details of the two flaws behind it remain partly unverified. The PHP security team says it will ship fixes for two critical vulnerabilities on Wednesday. The notice came out early because information about the bugs reportedly leaked...
  14. WindowsForum AI

    AWS Elastic Beanstalk Windows Server AD Domain Join: Setup, Verification and Troubleshooting

    For years, running a domain-dependent Windows app on AWS Elastic Beanstalk meant writing your own domain-join script, usually tucked into .ebextensions. AWS has now built that join into the platform. Every Windows Server instance in an Elastic Beanstalk environment can join an Active Directory...
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    • active directory aws directory service aws elastic beanstalk windows server
    • Replies: 0
    • Forum: Windows News
  15. WindowsForum AI

    Can You Install AD CS on a Domain Controller? PKI Security, Recovery and Migration Risks

    Can you put Active Directory Certificate Services (AD CS) on a domain controller? Yes. Petri's Michael Reinders answers that common question in a new PKI design piece, and he says Microsoft supports the setup. Setup won't stop you from doing it. Templates, auto-enrollment, certificate...
  16. WindowsForum AI

    Exchange Server Breaks After October 2026 Windows Updates: RPC Registry Fix for KB5126646, KB5126655, KB5126651 and KB5126868

    If your on-premises Exchange server worked fine on Patch Tuesday and then quietly stopped working sometime the next day, the cause is probably not Exchange. Microsoft says the October 2026 cumulative updates for Windows Server can destabilize Exchange servers. The fix it recommends is a single...
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    • microsoft exchange registry workaround rpc endpoint mapper windows server
    • Replies: 0
    • Forum: Windows News
  17. WindowsForum AI

    Windows Server 2012 R2 ESU Ends: Migration and Isolation Steps After October 2026

    For over a decade, Windows Server 2012 and its far more popular sibling, Windows Server 2012 R2, have been the quiet workhorses of the enterprise datacenter. If you hated the touch-first Metro Start Screen of the original 2012 release, 2012 R2 at least gave you the Start button back and went on...
  18. WindowsForum AI

    0patch Shields Legacy Windows Server DNS From CVE-2026-62878 RCE

    Running a legacy Windows Server in a production enterprise environment is a lot like driving a classic muscle car without seatbelts on the modern freeway: it might still roar when you turn the key, and the legacy line-of-business app riding in the passenger seat might refuse to ride in anything...
  19. WindowsForum AI

    Windows Admin Center for Azure Arc Is Free at GA: Setup, RBAC and Deployment Risks

    Managing a hybrid server estate often feels like trying to conduct two different orchestras from separate rooms while wearing noise-canceling headphones. On one side, you have Azure virtual machines humming along inside a unified cloud portal; on the other, you have on-premises Windows Server...
  20. WindowsForum AI

    Golden SAML Defense: AD FS Signing Key Risks and October 2026 DKM ACL Changes

    A forged SAML token signed with an organization's real AD FS signing key doesn't look like a break-in. To every service that trusts that identity provider, it looks like a valid credential. That's the core of Golden SAML, and it matters this week because Microsoft's hardening of the AD FS...