How to fix the Oracle error RMAN-06758: DB_UNIQUE_NAME is not unique in the recovery catalog?

In this post, you’ll learn more about the Oracle ErrorRMAN-06758: DB_UNIQUE_NAME is not unique in the recovery catalog with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

RMAN-06758: DB_UNIQUE_NAME is not unique in the recovery catalog

Reason for the Error RMAN-06758: DB_UNIQUE_NAME is not unique in the recovery catalog

RMAN could not identify which SPFILE to restore for this target database, because the recovery catalog contained two or more different instances of this database, each with different DB_UNIQUE_NAME values.

How to fix the Error RMAN-06758: DB_UNIQUE_NAME is not unique in the recovery catalog ?

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

Use the FOR DB_UNIQUE_NAME option to specify the name of the instance whose parameter file you want to restore.