Dcdiag.exe is a command-line tool that most administrators know about. It’s great for troubleshooting various domain and domain controller (DC) issues, and in Service Pack 1 for Win2003, it has picked ...

I have a weird issue on this domain with two DCs running DNS in Active Directory (Windows Server 2000 on both). Primary issue seems to be that the secondary DC (which is also the secondary DNS server) ...

I've made a living troubleshooting Active Directory since the Windows 2000 beta, and it's been an interesting ride. While much of my AD work has been smooth, the lack of troubleshooting resources has ...

Active Directory health assessment is a challenge, especially for small and midsize companies that can't afford a full-time Active Directory admin or costly third-party tools. The first indication ...

I ran a DCDIAG /e /c from my domain controller that holds all of my FSMO roles. I'm trying to push forward for upgrading all of my domain controllers from Windows Server 2003 to Windows Server 2008 R2 ...