How to fix the Oracle error TNS-01188: Listener cannot operate with incompatible transport protocols?

In this post, you’ll learn more about the Oracle ErrorTNS-01188: Listener cannot operate with incompatible transport protocols with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-01188: Listener cannot operate with incompatible transport protocols

Reason for the Error TNS-01188: Listener cannot operate with incompatible transport protocols

Cause: Listener was configured with multiple listening addresses with different and incompatible transport protocols. Listener cannot operate efficiently in such configuration.

How to fix the Error TNS-01188: Listener cannot operate with incompatible transport protocols ?

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

Action: Modify the existing listener configuration by removing the listening address that caused the error. Configure a separate listener to listen on this address.