This has been a funny week. things that were running just fine till last week (and for the last many months) have started giving problems despite that I have not changed any settings. The problem is that one of my scheduled jobs has started failing. The job used to simply takle a backup of a database. When I tried to probe into it and tried to manually take the backup (via Enterprise Manager..) I get a dialog box with the message: Cannot open backup device 'D:BackupSales'. Device error or device off-line.See the SQL server error log for more details. Backup database is terminating abnormally. Can someone kindly guide me how to solve this. Many TIA.