How to fix the Oracle error TNS-01200: The listener must be suid root?

In this post, you’ll learn more about the Oracle ErrorTNS-01200: The listener must be suid root with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-01200: The listener must be suid root

Reason for the Error TNS-01200: The listener must be suid root

Cause: The ownership privileges of the TNSLSNR executable are incorrect.

How to fix the Error TNS-01200: The listener must be suid root ?

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

Action: Contact your DBA or system administrator to change the ownership of the file to be suid root and restart the listener. This action is necessary because the user that started the process should claim ownership.