How to fix the Oracle error RMAN-20231: ambiguous datafile copy name?

In this post, you’ll learn more about the Oracle ErrorRMAN-20231: ambiguous datafile copy name with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

RMAN-20231: ambiguous datafile copy name

Reason for the Error RMAN-20231: ambiguous datafile copy name

more than one control file copy in the recovery catalog match the specified name.

How to fix the Error RMAN-20231: ambiguous datafile copy name ?

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

use the datafile copy key to uniquely specify the datafile copy