How to fix the Oracle error CLST-01901: configuring TCP ports string, string, string, and string?

In this post, you’ll learn more about the Oracle ErrorCLST-01901: configuring TCP ports string, string, string, and string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CLST-01901: configuring TCP ports string, string, string, and string

Reason for the Error CLST-01901: configuring TCP ports string, string, string, and string

Cause: The specified ports were configured for use with the Cluster Ready Services Daemons.

How to fix the Error CLST-01901: configuring TCP ports string, string, string, and string ?

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

Action: Informational message only. No action is required. To change the ports used, specify 4 alternate ports with “-t”. Example: -t 1001,1002,1003,1004