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 ...

While connecting to a domain or changing the computer name, if you are getting An Active Directory Domain Controller (AD DC) for the domain “domain-name.com” could not be contacted error, here are ...

Microsoft has acknowledged further problems that admins and users may encounter after installing the latest security updates. Both server and desktop operating systems are affected. In the Windows ...

Setting up a Domain Controller (DC) in a Windows server is crucial in managing a secure and centralized network. A Domain Controller handles authentication, enforces security policies, and enables ...

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 ...

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 ...