How to fix the Oracle error TNS-12678: Authentication disabled but required?

In this post, you’ll learn more about the Oracle ErrorTNS-12678: Authentication disabled but required with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-12678: Authentication disabled but required

Reason for the Error TNS-12678: Authentication disabled but required

Cause: The configuration parameters that control whether Oracle Advanced Security authentication is disabled or required were both set to TRUE.

How to fix the Error TNS-12678: Authentication disabled but required ?

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

Action: Set one or both of the parameters to FALSE.