How to fix the Oracle error ORA-12618: TNS:versions are incompatible?

In this post, you’ll learn more about the Oracle ErrorORA-12618: TNS:versions are incompatible with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12618: TNS:versions are incompatible

Reason for the Error ORA-12618: TNS:versions are incompatible

The two machines are running incompatible versions of TNS.

How to fix the Error ORA-12618: TNS:versions are incompatible ?

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

Check the version numbers, and upgrade the machine with the smaller one.

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