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

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

Oracle Error Description

ORA-12534: TNS:operation not supported

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

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

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

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

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