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Backup fails after swapping drives

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I really get tired of diagnosing buggy applications.

I swap backup drives about every three months, so I've done this 6-7 times before with no  problems.  Today I get the error message in the screen capture attached.  The "last" backup that failed was started at 12:25p my time.  I have ordinary files on this drive and I can go into them and read or start them in their applications, so there's nothing wrong with the drive.   Also, it has about 3 times as much space as a backup requires. 

What's causing this?

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Jim, sorry but ATI is not designed to be used in the way you are describing, i.e. to swap to using different backup target drives for a single backup task.

When you create a backup task and point this at a specific destination backup drive, then the unique identifier for that drive is being recorded in the Acronis Database files for tracking purposes.

When you subsequently swap to a different destination backup drive, the unique identifier for the new drive no longer matches the information held in the database, hence this error is given.

If you want to do this, then you either need to create a separate backup task for each different backup destination drive, or else you need to reconfigure the destination drive for the task to tell ATI that you are using a new drive, which will result in a new Full backup image being created.

This is no a bug in the application but how the application is designed to be used by home users.

In risposta a di truwrikodrorow…

Hmm . . .  Then why has it worked for the previous 6 swaps?  The first 5 swaps were Western Digital to Western Digital.  The just prior swap was from a western digital drive to a seagate (which worked), this was a swap back from the seagate to the previous WD.  ????

Jim, no explanation for why this has worked previously for you when using the same make of drives but this question has been asked in these forums lots of times before and the answer remains the same.

Jim, please see forum topic: External USB drive not detected after nightly rotation which may give you an alternative way around this issue when swapping drives.

Thanks for the link.  His situation is similar to mine except I do not schedule my backups I do them manually.

After your suggestion I create two backup tasks I Cloned the original one and thus created two.  I named one Seagate and the other Western Digital.  The seagate I just swapped to is working.  I won't know for about three months if the Western Digital (now in a deposit box at the bank) works with the original.  If not, maybe I can just Clone each time and solve the problem.

Jim, hope the new procedure works out for you, thanks for the update.