The dbid is the distinguishing factor for an rman catalog not instance name so while u might have 2 instance name b but 2 unique databases Fuad On Apr 15, 2009, at 8:43, "Jeffrey Beckstrom" <JBECKSTROM@xxxxxxxxx> wrote: Then won't I have two database B's in the recovery catalog? >>> dave <david.best@xxxxxxxxx> 4/15/09 9:32 AM >>> No, the new database will have a new DBID, so you will have to register it with the catalog. tnx On Wed, Apr 15, 2009 at 9:29 AM, Jeffrey Beckstrom <JBECKSTROM@xxxxxxxxx> wrote: > I have database's A and B on different servers and using a catalog. If I > want to do a RMAN duplicate of A to B, do I first have to unregister the > original B database from the catalog? > > > Jeffrey Beckstrom > Database Administrator > Greater Cleveland Regional Transit Authority > 1240 W. 6th Street > Cleveland, Ohio 44113 -- //www.freelists.org/webpage/oracle-l --------------------------------------------------------------------- Scanning of this message and addition of this footer is performed by SurfControl E-mail Filter software in conjunction with virus detection software.