2. I have taken over a domain which has a PDC and several member servers. There is no BDC. How can I make one of the member servers a BDC without reinstalling the OS?
1. You might be able to if your registry backup includes a copy of the SAM/SECURITY Registry keys.
2. Assuming you're running Windows NT 4.0 Server, you cannot. This was one of the limitations of NT 4.0 that was addressed in WIndows 2000.
This was first published in May 2004