WMI – Troubleshoot ‘RPC server is unavailable’

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If you receive the error message “RPC server is unavailable” when trying to discover information with WMI there are four plausible issues:

1. Stopped RPC service
Ensure that the RPC service on the targeted servers are running and accessible.

TROUBLESHOOTLook at the running services on the servers.

2. Name resolution issues
The RPC server’s name may be resolving to the wrong IP address which results in vScope attempting discover WMI information from an IP that is not in use.

TROUBLESHOOTTry to ping the host name and the corresponding IP address.

3. Traffic blocked by firewall
Overview the firewall settings or if any security application is preventing traffic on the TCP port 135.

TROUBLESHOOT – First check if the port on the vScope server is open for outgoing traffic. Secondly, ensure that the port is open on the targeted servers.

4. Connectivity issues
The server might be down or unaccessible due to network related issues.

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Ports used by vScope

2018-01-02T21:55:28+00:00