Hi, Just to let you know I tested the NETDOM method mentioned by FrankE9999 on a very particuliar case. Certificate Services were installed on one member server, and I "accidentally" deleted the computer account in AD. Not really accidental, but I was doing crash/recovery tests in a virtual environment. I even replaced the original machine by other ones with the same name (necessary for Certificate Services). After some tests i wanted to get back to my original machine. So I removed every trace of it in AD and tried to respawn it in the environment. The problem was that because of Certificate Services installed, you cannot change its domain or workgroup membership (all options greyed out). With a NETDOM REMOVE followed by a NETDOM JOIN and a reboot, original server was happy back in the domain! I hope all of this makes sense because it can reveal really useful. Guillaume.
