How to fix the Oracle error CLSGN-00151: Host domain “string” does not match GNS subdomain “string”?

In this post, you’ll learn more about the Oracle ErrorCLSGN-00151: Host domain “string” does not match GNS subdomain “string” with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CLSGN-00151: Host domain “string” does not match GNS subdomain “string”

Reason for the Error CLSGN-00151: Host domain “string” does not match GNS subdomain “string”

The domain specified for the host does not specify the subdomain served by GNS.

How to fix the Error CLSGN-00151: Host domain “string” does not match GNS subdomain “string” ?

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

Either specify the correct domain or just specify the name of the houst.