Please! Only one day!

It's been a typical monday: After working several weeks without a break, I planned to have a relaxing day off... But not on this monday! 9:24 AM - a customer call - two exchange store's are corrupt - last successfull backup from 01/09 - brilliant... So let's restore the database from backup(we tested backup/restore before we took the system into production...). Customer is using a third party backup solution. Restore of the first store runs smooth with no errors, database mounted. But NO(!) logfiles are replayed - just like a point in time restore! Hmmm...what the heck...let's try to rename the Checkpoint and then trigger a soft recovery - nothing! The system replayed only the logfiles from the backuptape - acts like a recovery storage group. Does the backup solution "belive" that there's a RSG? The story continues...tomorrow. See ya!