How to fix the Oracle error ORA-02072: distributed database network protocol mismatch?

In this post, you’ll learn more about the Oracle ErrorORA-02072: distributed database network protocol mismatch with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-02072: distributed database network protocol mismatch

Reason for the Error ORA-02072: distributed database network protocol mismatch

This should never happen between different PRODUCTION releases of ORACLE, but may happen between alpha and beta releases, for example.

How to fix the Error ORA-02072: distributed database network protocol mismatch ?

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

Upgrade the older release.