Server 2003 R2 RPC server is unavailable

Hi there, We have an old server 2003 R2 server that has been in service for quite a few years, but recently a few times it has stopped accepting RDP connections until it has been restarted giving the error:

Server 2003 R2 RPC server is unavailable

I have had a look through event log and cant see anything obvious and google hasnt shed any light on it, so i was wondering if one of you guys have seen this before?

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Dan CraciunIT ConsultantCommented:
Without the exact errors (number and source) it's difficult to pinpoint the problem.
See this discussion for possible causes:

Are you maybe able to give some extra info.
1) Did you check the System Eventlog for errors
2) When the problem occur, are you still able to logon on locally via the console.
2a) If you can logon than you might want to check if all Automatic Windows services are still running and start the Task Manager to look at the available memory including paged/non-paged, running processes and CPU load.
3) These type of errors do also occur when the server runs out of memory.
I assume it's a 32-bit server, then this memory problem can be related to shortage of paged and non-paged pool memory. If the error occurs after a certain amount of time after startup then it might be related to an (updated) application or driver with a memory leak.

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unrealone1Author Commented:
I am just working on this.
unrealone1Author Commented:
Thank you for your advice.
Hi unrealone1,

I am having the same issue.  How were you able to resolve this issue?  Please advise.

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