How to fix the Oracle error CLST-02203: Host name string is already assigned to node number string.?

In this post, you’ll learn more about the Oracle ErrorCLST-02203: Host name string is already assigned to node number string. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CLST-02203: Host name string is already assigned to node number string.

Reason for the Error CLST-02203: Host name string is already assigned to node number string.

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

How to fix the Error CLST-02203: Host name string is already assigned to 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.