How to fix the Oracle error PRVF-05223: The GNS subdomain name “{0}” is not a valid domain name?

In this post, you’ll learn more about the Oracle ErrorPRVF-05223: The GNS subdomain name “{0}” is not a valid domain name with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PRVF-05223: The GNS subdomain name “{0}” is not a valid domain name

Reason for the Error PRVF-05223: The GNS subdomain name “{0}” is not a valid domain name

Cause: The GNS domain name specified was not a valid domain name.

How to fix the Error PRVF-05223: The GNS subdomain name “{0}” is not a valid domain name ?

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

Action: A valid domain name starts with an alphabet and contain characters [A-Z], [a-z], [0-9], ‘.’, ‘-‘. Refer to RFC-1035 for more information.