In this post, you’ll learn more about the Oracle ErrorTNS-12555: TNS:permission denied with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
TNS-12555: TNS:permission denied
Reason for the Error TNS-12555: TNS:permission denied
Cause: User has insufficient privileges to perform the requested operation.
How to fix the Error TNS-12555: TNS:permission denied ?
You can fix this error in Oracle by following the below steps
Action: Acquire necessary privileges and try again.