How to fix the Oracle error TNS-12651: Encryption or data integrity algorithm unacceptable?

In this post, you’ll learn more about the Oracle ErrorTNS-12651: Encryption or data integrity algorithm unacceptable with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-12651: Encryption or data integrity algorithm unacceptable

Reason for the Error TNS-12651: Encryption or data integrity algorithm unacceptable

Cause: The algorithm the server chose to use for encryption or data integrity was not one of the choices acceptable to the client. This is either the result of an internal error, of a network data transmission error, or of deliberate tampering with the transmitted data.

How to fix the Error TNS-12651: Encryption or data integrity algorithm unacceptable ?

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

Action: For further details, turn on tracing, re-execute the operation, and contact Oracle Customer Support.