How to fix the Oracle error CLSGN-00077: Invalid DNS message received.?

In this post, you’ll learn more about the Oracle ErrorCLSGN-00077: Invalid DNS message received. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CLSGN-00077: Invalid DNS message received.

Reason for the Error CLSGN-00077: Invalid DNS message received.

The GNS server received a message from the master DNS server which was not of the correct format. This could be due to an error by the server or because a malicious process is sending the GNS server invalid packets.

How to fix the Error CLSGN-00077: Invalid DNS message received. ?

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

The error is informational and should not ordinarily be visible to a user. If it is seen, contact Oracle Customer Support.