thanks Richard, by the way if ever we start to failover the standby database then should we be able to change the db_unique_name to be same as db_name ( as at that point the old primary database is no more in the dataguard configuration ) On Tue, May 24, 2011 at 12:02 PM, Goulet, Richard < Richard.Goulet@xxxxxxxxxxx> wrote: > DB_UNIQUE_NAME must be different between the primart and standby as > follows: > > > > Primary > > > > Db_name=fox > > Db_unique_name =foxp > > > > Standby > > > > Db_name=fox > > Db_unique_name=foxs > > > > Rather simplistic, but I think you’ll catch on. > > > > Richard Goulet > > Senior Oracle DBA/Na Team Leader > > > > *From:* oracle-l-bounce@xxxxxxxxxxxxx [mailto: > oracle-l-bounce@xxxxxxxxxxxxx] *On Behalf Of *K R > *Sent:* Tuesday, May 24, 2011 2:47 PM > *To:* Oracle-L@xxxxxxxxxxxxx > *Subject:* db_unique_name > > > > All, > > I have the primary db on server A , and planning to make the standby on > server B. Can I have the db_unique_name same same as db_name in standby > database.? > > appreicate any suggestion. > > thanks > Kart > >