How to fix the Oracle error ORA-12631: Username retrieval failed?

In this post, you’ll learn more about the Oracle ErrorORA-12631: Username retrieval failed with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12631: Username retrieval failed

Reason for the Error ORA-12631: Username retrieval failed

The authentication service failed to retrieve the name of a user.

How to fix the Error ORA-12631: Username retrieval failed ?

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

Enable tracing to determine which routine is failing.