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Patrick MillerFlag for United States of America

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RPC server is unavailable Windows 2016 server

I have a Veeam application that is trying to connect via RPC and it fails in the discovery process.
I have tried this.
  1. Verity correct DNS settings.
    Troubleshooting "RPC Server is Unavailable" in Windows
  2. Verity correct Time and Time Zone settings.
  3. Verity that "TCP/IP NetBIOS Helper" is running and set to auto start after restart.
  4. Verity that "Remote Registry" is running and set to auto start after restart.
    Reboot the computer after changing the required settings.
Any ideas what I am missing.    It was working until 3 days ago.

May be and update?


Avatar of Binh Win
Binh Win
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If it was working 3 days then the first step is to review the system and application event logs 3 days from when it happened and look for any deltas. Then also think about what applications, GPO policies, or configuration settings have been pushed 3 days to start narrowing down your root cause. Also, review your firewall logs for blocked ports and logs that monitor network services.  The answer is try looking at all the logs available to find the culprit.  The next thing after that is a network packet capture of the Veeam application trying to make the connection to its destination and maybe the network capture will tell you why the RPC service is failing (your network administrator should know how to do this.. aka use Wireshark).
Avatar of Patrick Miller

ASKER

I looked at the Security properties for two different servers and found one difference. one that did not have a problem has SERVERNAME$ included in it.     I found nothing in the event log or GPO policies.
ASKER CERTIFIED SOLUTION
Avatar of Binh Win
Binh Win
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