I set up a small server 2003 domain with 5 machines. One PC is a domain controller and the remaining 4 are windows XP machines. I set up DNS on the domain controller. The computer name of the domain ...

If the hardware behind your domain controllers has become outdated, here's a step-by-step guide to performing a hardware refresh. Although most of the resources on my network are virtual, I have a ...

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 ...

Microsoft is investigating a known issue causing authentication failures for some Windows services after installing updates released during the May 2022 Patch Tuesday. Microsoft shared info on a ...

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 ...

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 ...

Although domain controllers can be configured to obtain an IP address from DHCP, it’s best practice to configure a static IP address so that it can be reliably discovered across the network. You may ...

Microsoft’s April 2026 Patch Tuesday update has caused continuous reboot cycles for certain Windows Server domain controllers, disrupting enterprise operations. Meanwhile, American Airlines is ...

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 ...