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I have a small db that i need to restore back in time. Meaning i have the db running now, but some data have been overwritten, wo i need to restore a version from last night for instance.

But when i try to "Task > Restore > Database" i select the same db in both source and destination. I get an error "Cannot open the backup device... Operating system error 2(failed to retrive text for this error. Reason: 15105)"

What am i doing wrong?

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It may sound harsh, but what you did wrong happened when you first created the backup: you failed to test the restore process. If you don't know how to restore your backups, you don't have backups. – Ladadadada Jul 12 '12 at 20:24
This sounds like MSSQL but you might want to clarify – Mark Henderson Jul 12 '12 at 20:34
@MarkHenderson Yeah, sorry. It is MSSQL. – brother Jul 12 '12 at 20:38

The SQL Server is having a problem finding or accessing the backup file on the file system. Does the file exist in the location that is shown in the UI?

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Try running SQL Server Management Studio "As Administrator". This is usually a permissions related issue.

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Tried it, dident help :-( – brother Jul 12 '12 at 21:42
So you ran the program as Admin? Are you also making sure that the SQL user has the correct permissions? Like SA? Check that as well. – nojak Jul 12 '12 at 23:17

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