How to fix the Oracle error INS-42020: The Wizard is unable to detect the user of Grid home.?

In this post, you’ll learn more about the Oracle ErrorINS-42020: The Wizard is unable to detect the user of Grid home. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

INS-42020: The Wizard is unable to detect the user of Grid home.

Reason for the Error INS-42020: The Wizard is unable to detect the user of Grid home.

Cause: The wizard is not able to detect the user of the existing Grid home. This might be because configuration file (string) is modified/corrupted in the Grid home.

How to fix the Error INS-42020: The Wizard is unable to detect the user of Grid home. ?

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

Action: Verify the correctness of the configuration file. If the file is corrupted, either restore the home by re-cloning the home or re-install the software from installation media.