Disk space used in System Volume Information, how to clear out?

Discussion in 'Windows Server' started by Joe Grover, Jul 13, 2009.

  1. Joe Grover

    Joe Grover Guest

    I have a Windows 2008 database server in-house that recently started
    reporting its C: drive is at 93% capacity. I used WinDirStat to determine
    where this space was being used and it only reported that 53GB was in use as
    opposed to the 200GB that Windows reports. It turns out the space is being
    used in the System Volume Information folder.

    I have 6 folders in there ranging from 20GB to 28GB with names like
    3{3808876b-c176-4e48-b7ad-04046e6cc752}, etc. I cannot access these folders
    (cannot take ownership of them) and am unclear as to what they are. At
    first I figured they were System Restore points of some kind, but googling
    around trying to find out how to disable System Restore so I can clean them
    out led me to articles by folks saying that there isn't a System Restore in
    Windows 2008 Server.

    So how can I reclaim this space? Thanks in advance.

    Joe Grover, Jul 13, 2009
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  2. I don't have access to a Windows 2008 server right now so I do not know
    whether it has or hasn't a System Restore facility. I suspect it has -
    clicking Start/Help and looking for "System Restore" would tell you.
    Regardless of this, I never had any problem seizing ownership of this
    folder. What happens when you try?

    The normal way to reclaim space in the System Volume Information folder is
    to launch the System Restore tool and reduce the amount of space that can be
    used by this facility.
    Pegasus [MVP], Jul 13, 2009
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  3. Joe Grover

    Joe Grover Guest

    I don't have access to a Windows 2008 server right now so I do not know

    When I go to the Ownership tab, the current owner field says, "Unable to
    display current owner", and if I select the local Administrators group or
    the domain admin account I'm using to log into the server and press Apply, I
    get an Access is denied error.

    As for looking in Help, I'd done that and didn't find anything about System
    Restore (the matches were all about restoring the system from tape, or
    restoring the System State, etc). I see an item in the local group policy
    for disabling System Restore, so I'll try enabling that option and
    restarting the server tonight.
    Joe Grover, Jul 13, 2009
  4. On WinXP machines the System Restore facility is invoked with rstrui.exe. I
    expect it to be the same on Win2008 machines - if the facility exists. If
    you can find this file on your disk then you can invoke System Restore
    directly and see what's going on.

    If there is no System Restore on Win2008 machines and if you had a different
    OS on your disk before installing Win2008 then the "System Volume
    Information" folder may be a left-over from that previous OS. If so then you
    can easily delete it when booting the machine with a Bart PE boot CD. This
    is a tool that every server administrator should have.
    Pegasus [MVP], Jul 13, 2009
  5. Joe Grover

    Joe Grover Guest

    Nope, no rstrui.exe on the machine.

    Joe Grover, Jul 13, 2009
  6. Joe Grover

    Joe Grover Guest

    This did the trick by the way. I disabled System Restore in the local
    machine policy and after restarting the server disk utilization was back to
    about 34%.

    Thanks for the ideas.

    Joe Grover, Jul 17, 2009
  7. Thanks for the feedback.
    Pegasus [MVP], Jul 17, 2009
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