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Suddenly RPC server is unavailable

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I've had PRTG running for a while and suddenly I'm getting a few servers that report the error below. On the servers that fail, all WMI probes fail. It's not all servers that fail though, most are ok.

A reboot of the server doesn't help.

Connection could not be established (800706BA: The RPC server is unavailable) (code: PE015). It appears that you are experiencing some difficulties with WMI or related areas. For more information, see https://kb.paessler.com/en/topic/60153

prtg rpc-server wmi

Created on Feb 7, 2020 12:50:32 PM by  corsbj (0) 1



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So, this was my own fault. I accidentally changed the filter of the firewall GPO that allowed communication from the PRTG server to the monitored servers.

Created on Feb 8, 2020 10:04:48 AM by  corsbj (0) 1



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Disclaimer: The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.