How to fix the Oracle error PRCN-02054: Failed to modify ONS listening port for remote client connections to {0}?

In this post, you’ll learn more about the Oracle ErrorPRCN-02054: Failed to modify ONS listening port for remote client connections to {0} with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

PRCN-02054: Failed to modify ONS listening port for remote client connections to {0}

Reason for the Error PRCN-02054: Failed to modify ONS listening port for remote client connections to {0}

Cause: CRS unable to modify the ONS listening port for remote client connections

How to fix the Error PRCN-02054: Failed to modify ONS listening port for remote client connections to {0} ?

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

Action: Make sure that clusterware stack is up. If the port is in use by another application, try using a different port.