How to fix the Oracle error CRS-05006: Unable to automatically select a network interface which has subnet mask string and subnet number string?

In this post, you’ll learn more about the Oracle ErrorCRS-05006: Unable to automatically select a network interface which has subnet mask string and subnet number string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CRS-05006: Unable to automatically select a network interface which has subnet mask string and subnet number string

Reason for the Error CRS-05006: Unable to automatically select a network interface which has subnet mask string and subnet number string

Cause: The subnet mask and subnet number configured for the resource did not match the subnet mask and subnet number of any network interface on this node.

How to fix the Error CRS-05006: Unable to automatically select a network interface which has subnet mask string and subnet number string ?

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

Action: Provide a subnet mask and subnet number which matches at least one network interface’s subnet mask and subnet number using srvctl remove and add vip and retry the operation.