domain controller

Booting Windows Server 2019 into Safe Mode is one of the simplest — and most powerful — recovery moves an administrator can make, and it’s essential knowledge for troubleshooting boot failures, driver conflicts, malware, or service-level corruption. Multiple, supported paths exist (System...

I have a running Win 2012R2 Active Directory server. Call it DC1 I just built a Win 2019 server that was added to the domain and promoted to AD server. This one is DC2 I ran "Move-ADDirectoryServerOperationMasterRole" to the new server and running "netdom query fsmo", I get Schema master...

A pivotal security development has emerged from the world of enterprise identity management: a critical flaw has been identified in delegated Managed Service Accounts (dMSA) within Windows Server 2025. This vulnerability, discovered and named the “Golden dMSA” attack by Semperis security...

Windows Server 2025 administrators faced significant disruption earlier this year when a major update rendered many domain controllers unreachable following a routine reboot. This connectivity crisis didn’t just inconvenience IT professionals; it left entire networks vulnerable to authentication...

A critical Windows Server 2025 Active Directory Domain Controller restart bug, recently and officially patched by Microsoft, briefly reopened longstanding concerns about the robustness of server update procedures, network traffic management, and overall IT resilience in modern hybrid cloud...

In a significant development for enterprise security, Semperis has announced enhancements to its Directory Services Protector (DSP) platform, aimed at mitigating a critical vulnerability in Windows Server 2025's Active Directory. This vulnerability, dubbed "BadSuccessor," was identified by...

Windows Server 2025, the much-anticipated evolution of Microsoft’s venerable server operating system, now finds itself at the center of an alarming security controversy. The emergence of a proof-of-concept (PoC) tool dubbed SharpSuccessor has illuminated the risks associated with a newly...

Windows Server 2025, still in preview but already being tested in production-like environments, was supposed to represent Microsoft's next step in enterprise-grade directory services. Yet, a critical vulnerability quietly lurking in its newest Active Directory feature has upended that promise...

A critical and as yet unpatched vulnerability in Windows Server 2025 has shaken the enterprise security community, exposing devastating privilege escalation risks for nearly any Active Directory (AD) environment leveraging the platform. Security researchers at Akamai uncovered the exploit—dubbed...

Ehe Security Account Manager failed a KDC request in and unexpected way. The error is int the data field. The account name was and lookup type 0x108

Anyone looking to manage users, computers, and policies within their home lab or work network quickly discovers that Active Directory (AD) remains a foundational element of Windows deployments. While seasoned system administrators have long relied on AD tools in Windows Server, the demand for...

Windows Server 2025, Microsoft's latest server operating system, is currently facing a significant challenge that has drawn the attention of IT administrators and enterprise network managers worldwide. A critical bug has been identified involving the domain controllers—the pivotal servers tasked...

Windows Server 2025, Microsoft's latest server operating system, is currently grappling with a series of critical issues following recent security updates. Among the most pressing is a domain controller bug triggered by a firewall profile misapplication after a server reboot, alongside a...

Windows Server 2025, Microsoft's latest server operating system, has recently encountered critical issues that have sent ripples through the enterprise IT community. These problems, emerging particularly after recent security updates and system restarts, expose the delicate balance organizations...

Windows Server 2025 administrators and enterprise IT teams are facing a critical challenge due to a recently identified bug that affects domain controllers following a system restart. This issue impacts the domain controllers' ability to correctly manage network traffic by mishandling the...

Microsoft has issued a critical warning concerning a significant bug in Windows Server 2025, specifically affecting domain controllers running the Active Directory Domain Services (AD DS) role. This bug manifests after a system restart, where the domain controllers fail to apply the correct...

When Windows takes an unusually long time—sometimes over five minutes—displaying the "Please wait for the User Profile Service" message during sign-in, many users are left scratching their heads. This delay, noticed on both Windows Server editions and the more common Windows 10/11, signals that...

It seems to coincide with a warning on the Windows 2022 member server event ID 40970 LSA (LSASrv) The security System has detected a downgrade attempt when contacting the 3-part SPN LDAP/Domain Controller FQDN/Domain@Domain with error code "The encryption type is not supported by the KDC...

I am now getting this error. The processing of Group Policy failed. Windows attempted to retrieve new Group Policy settings for this user or computer. Look in the details tab for error code and description. Windows will automatically retry this operation at the next refresh cycle. Computers...

The name "WORKGROUP :1d" could not be registered on the interface with IP address xxx.xxx.xxx.xxx. The computer with the IP address xxx.xxx.xxx.xxx did not allow the name to be claimed by this computer. Where the first IP is the Windows server member and the second IP is the Window Domain...