How to fix the Oracle error PRVF-05822: Name lookup for FDQN “{0}” failed with test DNS server running on address “{1}”, listening on port {2}?

In this post, you’ll learn more about the Oracle ErrorPRVF-05822: Name lookup for FDQN “{0}” failed with test DNS server running on address “{1}”, listening on port {2} with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PRVF-05822: Name lookup for FDQN “{0}” failed with test DNS server running on address “{1}”, listening on port {2}

Reason for the Error PRVF-05822: Name lookup for FDQN “{0}” failed with test DNS server running on address “{1}”, listening on port {2}

Cause: An attempt to query specified FDQN on the test DNS server running on specified address and port failed.

How to fix the Error PRVF-05822: Name lookup for FDQN “{0}” failed with test DNS server running on address “{1}”, listening on port {2} ?

You can fix this error in Oracle by following the below steps

Action: Make sure that the specified address and port is correct. Make sure that there are no firewalls between the node on which ‘cluvfy comp dns -server’ was run and the node on which this command was run. Also look at any error messages on the node on which ‘cluvfy comp dns -server’ was run.