How to fix the Oracle error ORA-16624: broker protocol version mismatch detected?

In this post, you’ll learn more about the Oracle ErrorORA-16624: broker protocol version mismatch detected with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-16624: broker protocol version mismatch detected

Reason for the Error ORA-16624: broker protocol version mismatch detected

A network protocol version number mismatch was detected. This could happen if the databases in the broker configuration were not running the same version of Oracle. The broker would disable standby databases that were not running the same version of Oracle as the primary database if this situation was detected.

How to fix the Error ORA-16624: broker protocol version mismatch detected ?

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

Examine the version of Oracle installed on all databases in the broker configuration to ensure they are identical. Once all of the databases in the broker configuration are running the same version of Oracle, reenable the standby databases that were disabled.