3.
In the Catalog page, select Use target database control file instead of recovery
catalog to use the primary database control file.
To use the recovery database catalog as an RMAN repository for backup history,
select Use recovery catalog and specify the login information to the recovery
catalog.
Note that for ZDB, you must use the recovery catalog.
The user specified must be the owner of the recovery catalog.
In Services, type the net service name for the recovery catalog.
Figure 12 Configuring Oracle - Catalog
Zero downtime backup integration guide
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