I have one server with this error "RPC Servie is unavailble". Looke thru the solutions for this type of error and could not find anything that would help. The server is a Windows 2003 with sp2. Windows firewall is not enabled. We use Syantec Antivirus. I've tried disabling the A/V and got the same error message when I try the application that will not run because of the RPC error.