How to fix the Oracle error ORA-06745: TLI Driver: listener already running?

In this post, you’ll learn more about the Oracle ErrorORA-06745: TLI Driver: listener already running with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-06745: TLI Driver: listener already running

Reason for the Error ORA-06745: TLI Driver: listener already running

The network address on which the TLI server awaits connection requests is in use, possibly because the server is already running.

How to fix the Error ORA-06745: TLI Driver: listener already running ?

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

Ensure that the TLI server is not already running. If it is not running and this error message recurs, contact your customer support representative.