Citrix : The RPC server cannot be contacted on server
This issue has plague me infrequently over the last 3 - 6 months - a Citrix server in a PS4.5 farm would suddenly be unable to use the Citrix Access Management Console as when the discovery process was running it would report:
The RPC server cannot be contacted on server
The solution for this is simple. If the IMA Service has been restarted or terminated unexpectantly the Citrix COM+ components will sometimes fail to refresh. To resolve this perform te follwoing steps:
Further information is availabke here: http://support.citrix.com/article/CTX116752