How to fix the Oracle error TNS-12534: TNS:operation not supported?

In this post, you’ll learn more about the Oracle ErrorTNS-12534: TNS:operation not supported with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-12534: TNS:operation not supported

Reason for the Error TNS-12534: TNS:operation not supported

Cause: An internal function received a request to perform an operation that is not supported (on this machine).

How to fix the Error TNS-12534: TNS:operation not supported ?

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

Action: Not normally visible to the user. For further details, turn on tracing and reexecute the operation. If error persists, contact Oracle Customer Support.