Now, run the Oracle DBNEWID to change the database name and shut it down: nid TARGET=SYS/password@PAYROLL3 DBNAME=PAYROLL3 Connected to database PAYROLL (DBID=1456557175) Control Files in database: /disk1/oracle/oradata/payroll/standby/stdby.ctl Change database ID and database name PAYROLL to PAYROLL3? (Y/[N]) => y Proceeding with operation Changing database ID from 1456557175 to 416458362 Changing database name from PAYROLL to PAYROLL3 Control File /disk1/oracle/oradata/payroll/standby/payroll3.ctl - modified Datafile /disk1/oracle/oradata/payroll/standby/system01.dbf - dbid changed, wrote new name Datafile /disk1/oracle/oradata/payroll/standby/undotbs01.dbf -dbid changed, wrote new name . . . Control File /disk1/oracle/oradata/payroll/standby/payroll3.ctl-dbid changed, wrote new name Database name changed to PAYROLL3. Modify parameter file and generate a new password file before restarting. Database ID for database PAYROLL3 change to 416458362. All previous backups and archived redo logs for this database are unusable. Shut down database and open with RESETLOGS option. Successfully changed database name and ID. DBNEWID - Completed successfully. If you use a password file for authenticatison, you must re-create the password file after running the Oracle DBNEWID (nid) utility.