Location of registry entry for Windows backup drive identification

  1. Posts : 114
    Windows 7 Pro 64-bit Service Pack 1

    Location of registry entry for Windows backup drive identification

    I'm running Win 7 Pro 64bit and am a gamer. I keep all my games on my E: drive (2 TB) so they don't interfere with Windows on my C: drive (500 GB). My backup drive is 1 TB.

    A while back I was installing a game and noticed that it was also installing MS .NET framework on my E: drive. The next scheduled System Backup failed and the error stated there was no space on my backup drive for a System Image.

    Wondering why a 1TB drive couldn't backup at 500 GB drive I noticed that, in the system backup configuration panel, it stated that, along with my personal files, Backup would also make a System Image of the C: and E: drives. No wonder the backup failed.

    I uninstalled the game that installed the .NET framework but the damage has been done. Unless I physically remove my E: drive, in which case Backup only shows the C: drive for System Image, Backup will try to image C: and E:.

    I deduced that, with the E: drive uninstalled and Backup only showing the C: drive for imaging, but both for imaging if the E: is installed, that there must be some registry entry showing which drives Backup needs to image.

    If I can edit this entry to only reflect the C: drive, with C: and E: installed, that would save me from having to remove E: every weekend to do backups. Luckily I have a case where I can flip a lever and pull out individual drives but in order to do so, I have to shut down Windows and power off the system. Editing a registry entry would save a lot of time.

    There's got to be an entry somewhere (I tried to look but never found anything under entries associated with Backup). Does anyone know?
      My Computer

  2. Posts : 325
    Windows 7 Ultimate x64

    You might look at
    Can I back up Windows 7's backup settings? - Super User

    But won't restoring the image from before E: was included take care of it?
    That's how I'd do it.
      My Computer

  3. Posts : 114
    Windows 7 Pro 64-bit Service Pack 1
    Thread Starter

    Sorry for the late reply - we were out of town.

    The 'install of .NET' on the E: drive happened quite a while ago and any backup of before that has been over-written.

    Somewhere it has to be written what the backup program will be backing up. If I remove the E: drive and enter backup configuration, any reference to the E: drive is not there. I install the E: drive and the reference is back, so 'something' is writing 'something' 'somewhere' and, unless it's dynamically written into a running system program (which you can't edit), I would think that you could find some entry and change it.

    Any ideas?
      My Computer

  4. Posts : 325
    Windows 7 Ultimate x64

    I deleted the reg key in the link above after setting up backup and creating an image.
    When I reentered backup it was a blank slate. Unfortunately trying to do another image resulted in an error - it wouldn't take an image. I didn't back the key up, so I can't fool around with it until I do my next restore.
    You might try backing the key up, and editing/deleting the values until it works.
    Can't say what the values are because only the destination drive is apparent.
    I'd try removing all values in the subkeys, - instead of deleting the entire key as I did.
    If it breaks backup, just restore your saved key.
    Do this at your own risk.
    Really though I'd not use Win 7 backup. It has "issues."
      My Computer


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