How to fix the Oracle error INS-40727: Single Client Access Name (SCAN):string is already associated with an IP address.?

In this post, you’ll learn more about the Oracle ErrorINS-40727: Single Client Access Name (SCAN):string is already associated with an IP address. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

INS-40727: Single Client Access Name (SCAN):string is already associated with an IP address.

Reason for the Error INS-40727: Single Client Access Name (SCAN):string is already associated with an IP address.

Cause: The name for the configured SCAN is already associated with an IP address.

How to fix the Error INS-40727: Single Client Access Name (SCAN):string is already associated with an IP address. ?

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

Action: If you intend to use GNS resolution for your cluster, then ensure the names you provide for SCANs are not associated with IP addresses that are already in use.