Windows 2003 enterprise CA issues - RPC server is unavailable.



Hi All,
im running a 2003 R2 domain with a single enterprise CA in AD-
integrated mode.

this has been running for a few years quite happily. I went to issue a
new cert today and got "The RPC server is unavailable".

Sure enough, the service was running, the CA admin tool opens fine and
reports no issues (can create new templates, revoke etc etc)

There do not appear to be any events regarding the CA, with the
exception of the "started" and "stopped" sucessfully messages. There
are no firewalls between any clients and this CA.

Im sure this is something simple, but it has me a little stumped - any
ideas ?
.