How to fix the Oracle error INS-40906: Duplicate host names found in the node information table for Oracle Clusterware install.?

In this post, you’ll learn more about the Oracle ErrorINS-40906: Duplicate host names found in the node information table for Oracle Clusterware install. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

INS-40906: Duplicate host names found in the node information table for Oracle Clusterware install.

Reason for the Error INS-40906: Duplicate host names found in the node information table for Oracle Clusterware install.

Cause: Duplicate entries have been made in the node information table for Oracle Clusterware installation.

How to fix the Error INS-40906: Duplicate host names found in the node information table for Oracle Clusterware install. ?

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

Action: Remove duplicate entries in the Oracle Clusterware node information table.