How to fix the Oracle error TNS-12518: TNS:listener could not hand off client connection?

In this post, you’ll learn more about the Oracle ErrorTNS-12518: TNS:listener could not hand off client connection with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-12518: TNS:listener could not hand off client connection

Reason for the Error TNS-12518: TNS:listener could not hand off client connection

Cause: The process of handing off a client connection to another process failed.

How to fix the Error TNS-12518: TNS:listener could not hand off client connection ?

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

Action: Turn on listener tracing and re-execute the operation. Verify that the listener and database instance are properly configured for direct handoff. If problem persists, call Oracle Support.