How to fix the Oracle error ORA-12672: Database logon failure?

In this post, you’ll learn more about the Oracle ErrorORA-12672: Database logon failure with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12672: Database logon failure

Reason for the Error ORA-12672: Database logon failure

The authentication service adapter in use encountered an error it attempted to validate the logon attempt of a user.

How to fix the Error ORA-12672: Database logon failure ?

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

Enable tracing to determine the exact error encountered by the adapter.