How to fix the Oracle error TNS-12675: External user name not available yet?

In this post, you’ll learn more about the Oracle ErrorTNS-12675: External user name not available yet with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-12675: External user name not available yet

Reason for the Error TNS-12675: External user name not available yet

Cause: The authentication service in use was not able to return the external name of a user of the ORACLE server because it is not available to the service yet.

How to fix the Error TNS-12675: External user name not available yet ?

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

Action: This is just an informational message and should not normally be visible to the user. If the error does appear, contact Oracle Customer Support.