Microsoft has resolved a known issue that caused some Windows Server 2025 domain controllers to become unreachable after a restart and triggered app or service failures. Microsoft has fixed a known ...

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 ...

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’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 ...

Microsoft shared info on a now-fixed known issue leading to Local Security Authority Subsystem Service (LSASS) crashes and Windows Server domain controller. The LSASS Windows service is responsible ...

I have my DHCP server (on Sonicwall) configured to give out the domain controller/DNS server ip as primary DNS, for secondary DNS I have set to give out 1.1.1.1, for tertiary 8.8.4.4 Does this comply ...

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 ...

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 ...

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 ...