One of the most helpful native tools for troubleshooting problems with domain controllers is DCDiag. In this article, I will show you the basics of using this helpful tool. DCDiag was introduced early ...

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 ...

A lot of Windows bugs have been reported in the past couple of weeks alone. This includes an audio sync blocking issue and gaming performance deterioration for Windows 11 version 22H2, Direct Access ...

The False Sense of Security SMB signing on domain controllers has become standard practice across most Active Directory environments. But this hardening may have created a false sense of security. CVE ...

Had a power cut today, which took out one of my ESXi hosts on which a Server 2019 domain controller VM was running. It started up on the second ESXi server but now it's not working properly. For ...

Earlier this week I saw a situation in which someone with a small, single-domain controller network performed a restoration of their domain controller. This restoration effectively reverted the Active ...

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. LSASS ...

This post provides the most suitable solutions to the issue whereby Group Policies are not applying as well as not replicating between Domain Controllers in a typical Windows Server environment. If ...

Microsoft has released emergency out-of-band (OOB) updates to fix a known issue causing Windows domain controllers to crash after installing the March 2024 Windows Server security updates. "Our ...

As a bit of background, all our systems are configured to auto-enroll certificates and we are using the built-in V1 certicates for our system, so specifically the Computer and Domain Controller ...

In the first part of this series, I talked about how you could recover your server after a system volume failure. In this article, I want to turn my attention to some special procedures used for ...

In two previous articles (here and here) I shared some classic Active Directory mistakes people have made that got their companies into serious trouble. Here’s another mistake that on the face of it ...