How to fix the Oracle error CLSGN-00162: Name “string” and address “string” will not be advertised due to configuration change.?

In this post, you’ll learn more about the Oracle ErrorCLSGN-00162: Name “string” and address “string” will not be advertised due to configuration change. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CLSGN-00162: Name “string” and address “string” will not be advertised due to configuration change.

Reason for the Error CLSGN-00162: Name “string” and address “string” will not be advertised due to configuration change.

When GNS attempted to advertise a name and address upon re-start, it failed because the address can no longer be serviced. This can happen if the subnet used by GNS was changed between the time that GNS was stopped and it was started.

How to fix the Error CLSGN-00162: Name “string” and address “string” will not be advertised due to configuration change. ?

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

If this result was expected, the error can be ignored. Otherwise, the subnet needs to be changed in OCR and GNS needs to be stopped and re-started.