I have an Active Directory forest with 1 domain with 2 Win2K3 DCs. The Win2K3 DC ("DC1") with all 5 FSMOs was down for about a month. The computer was restored by replacing the failed primary disk ...

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 ...

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 ...

Currently I have One 2000 DC and One 2003 DC. Verified both in Sites and Services and in AD within the Domain Controllers OU.<BR>What I need to do is add an additional 2003 DC. That is when this msg ...

Microsoft has released an out-of-band patch for an issue on Windows-based domain controllers which might cause sign-in failures or other Kerberos authentication issues. Released last month, the patch ...

Microsoft is investigating a new known issue causing enterprise domain controllers to experience Kerberos sign-in failures and other authentication problems after installing cumulative updates ...

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’s May Patch Tuesday update is triggering authentication errors. Microsoft is alerting customers that its May Patch Tuesday update is causing authentications errors and failures tied to ...

As CISA noted, "installation of updates released May 10, 2022, on client Windows devices and non-domain controller Windows Servers will not cause this issue and is still strongly encouraged." "This ...

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 ...

Microsoft's January security patches, released on Tuesday, reportedly are causing multiple problems for organizations, particularly on the Windows Server side. Update 1/18 Microsoft on Monday released ...