Hi , Try to restore the control file by mentioning the backup piece to restore from. RMAN> restore controlfile from 'e:\backup\CTL_SP_BAK_C-1507972899-20050124-00'; And then .... Mount database Restore database Recover database Open resetlogs Add tempfiles I have got a question reg. this scenario. Can someone clarify please ? When we say (in case of all control files lost) : RMAN> set dbid 4026107299 RMAN> restore controlfile from autobackup; From where will RMAN come to know about the location of control file backup ? Regards, Prem. -- //www.freelists.org/webpage/oracle-l