How to fix the Oracle error RMAN-05520: database name mismatch, auxiliary instance has string, command specified string?

In this post, you’ll learn more about the Oracle ErrorRMAN-05520: database name mismatch, auxiliary instance has string, command specified string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

RMAN-05520: database name mismatch, auxiliary instance has string, command specified string

Reason for the Error RMAN-05520: database name mismatch, auxiliary instance has string, command specified string

The database name specified in the initialization parameter was not the same as the database name provided in the DUPLICATE command.

How to fix the Error RMAN-05520: database name mismatch, auxiliary instance has string, command specified string ?

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

Correct the database name in the command or adjust the database name of the auxiliary instance.