How to fix the Oracle error CLST-02201: node string already exists in the configuration with node number string?

In this post, you’ll learn more about the Oracle ErrorCLST-02201: node string already exists in the configuration with node number string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CLST-02201: node string already exists in the configuration with node number string

Reason for the Error CLST-02201: node string already exists in the configuration with node number string

Cause: A node name specified for the add node operation conflicted with the existing configuration.

How to fix the Error CLST-02201: node string already exists in the configuration with node number string ?

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

Action: Choose an alternate node to add to the cluster, or give the new node a unique name, or delete the previous node, then retry.