Niall, Thanks for your reply. The database was created by an RMAN DUPLICATE and was opened RESETLOGS (its in NOARCHIVELOG mode so I don't suppose there's an alternative). The backup was taken after the OPEN RESETLOGS. Regards David Lord On 16/04/2008, Niall Litchfield <niall.litchfield@xxxxxxxxx> wrote: > David did the db have an OPEN RESETLOGS operation in the mean time - > or is this a clone RMAN DUPLICATE db? Either of these should give > your error > -- > Niall Litchfield > Oracle DBA > http://www.orawin.info > -- //www.freelists.org/webpage/oracle-l