How to fix the Oracle error TNS-12619: TNS:unable to grant requested service?

In this post, you’ll learn more about the Oracle ErrorTNS-12619: TNS:unable to grant requested service with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-12619: TNS:unable to grant requested service

Reason for the Error TNS-12619: TNS:unable to grant requested service

Cause: The connect request failed because requested service could not be provided by the local TNS software.

How to fix the Error TNS-12619: TNS:unable to grant requested service ?

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

Action: If appropriate, reexecute with reduced service requirements.