How to fix the Oracle error PRVF-05816: Unable to query the test DNS server started on address “{0}”, listening on port {1}?

In this post, you’ll learn more about the Oracle ErrorPRVF-05816: Unable to query the test DNS server started on address “{0}”, listening on port {1} with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PRVF-05816: Unable to query the test DNS server started on address “{0}”, listening on port {1}

Reason for the Error PRVF-05816: Unable to query the test DNS server started on address “{0}”, listening on port {1}

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

How to fix the Error PRVF-05816: Unable to query the test DNS server started on address “{0}”, listening on port {1} ?

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

Action: Look at messages on the ‘cluvfy comp dns -server’ instance to make sure that the test DNS server was stared. Also look at any messages accompanying this message.