I’m trying to join a system to the domain, and I’m getting an error:

The following error occured attempting to join the domain “campus.ad.uvm.edu”
The RPC Server is unavailable

I’ve used a utility in the past called rpcping, part of the server resource kit. I technical article is available at:

http://support.microsoft.com/default.aspx?scid=kb;en-us;177446

OK. Things look reasonable.

The other tool I’ve used is portqry.exe:
http://support.microsoft.com/?id=832919