Patch Tuesday fixes 137 vulnerabilities, including critical flaws in SQL Server, Netlogon, Office, and the .NET Framework.

Windows Server 2025 DC: Problem with firewall profiles The issue arises from the fact that the use of the domain firewall profile on the domain controllers fails if they are restarted.

A Domain Controller (DC) in Windows Server is a server that responds to security authentication requests within a Windows domain. It plays a crucial role in managing network security and user access.

When you log in to a Windows 11/10 domain-joined machine and try to connect to the already mapped drive or multiple client workstations are unable to correctly authenticate to the server and fail ...

Update March 22: Microsoft has released emergency out-of-band (OOB) updates to fix this known issue. The March 2024 Windows Server updates are causing some domain controllers to crash and restart ...

Microsoft is investigating LSASS memory leaks (caused by Windows Server updates released during the November Patch Tuesday) that might lead to freezes and restarts on some domain controllers.

Microsoft has released an out-of-band patch to fix authentication failures on Windows after installing the May 10, 2022 security update on Windows Server domain controllers. The new update should ...

“After installing updates released May 10, 2022 on your domain controllers, you might see authentication failures on the server or client for services such as Network Policy Server (NPS ...

Microsoft released a new out-of-band update to patch last week’s updates that caused Windows VPN to break along with ReFS issues and on-premise domain controller issues. The new update is also ...

BornCity reported that Windows domain controllers would enter a reboot loop--a problem that affected all Windows server domain controllers. Another prevented virtual machines in Hyper-V from starting.