System Restore contains shadow copies of user data: HDD: YES, SSD: NO


  1. Posts : 28
    Windows 10
       #1

    System Restore contains shadow copies of user data: HDD: YES, SSD: NO


    Hello everyone,

    TLDR: System restore points of system partitions do not contain any user data if its on an SSD drive.


    I noticed that when creating system restore points of a system partition, no shadow copies of user data are created if they are on an SSD.
    The shadow copy is created, but not listed under "Previous Versions".
    If I access the shadow copy with 3rd party tools like "shadowcopyview" or "ShadowExplorer", I can restore changed files (bmp, txt...) - but these are then corrupt.

    If, on the other hand, it is not a system drive, it works fine.
    And the interesting thing: If the system drive is an HDD, it works fine too.

    Has that always been the case?
    Has Microsoft documented this behavior anywhere?

    Thanks and greetings,
    Martin
      My Computer

  2. dalchina's Avatar
    Posts : 33,031
    Win 10 Pro (1903) (2nd PC is 21H1)
       #2

    Hi, it is not the function of System Restore to protect user data.

    Some time back I came across a list of the file types protected by SR. These are now given from a link (2nd below) in this tutorial:
    Create System Restore Point in Windows 10
    See also:

      My Computers

  3. Try3's Avatar
    Posts : 9,369
    Windows 10 Home x64 Version 21H2 Build 19044.1288
       #3

    dalchina said:
    Some time back I came across a list of the file types protected by SR. These are now given from a link (2nd below) in this tutorial:
    Create System Restore Point in Windows 10
    Here is that list as a spreadsheet for ease of browsing & searching.
    System-restore-monitored File Name Extensions - MSDocs.xlsx

    Denis
      My Computer

  4. steve108's Avatar
    Posts : 14,643
    19041.1288 - 2004/20H1 Home x64
       #4

    Hello mfessler,

    After seeing your post, I used both 3rd party tools to restore a large (around 400 KB) and small (40 KB) text file as a test. The large recovered files had the correct size, but were corrupted while the small recovered files were fine. Both files were in my Desktop folder in the shadow copy file.

    Hard to tell if the 3rd party tools are the issue or what. I suppose one could delete some test files off the drive, then do a Windows System Restore and see what the results are vs what the 3rd party tools recover.

    Here someone tried to get help about this issue from MS and was told to contact the 3rd party software creators:
    https://answers.microsoft.com/en-us/...c-83f289f8e2e0
      My Computer

  5. SIW2's Avatar
    Posts : 2,117
    trying to install win10
       #5

    If I access the shadow copy with 3rd party tools like "shadowcopyview" or "ShadowExplorer", I can restore changed files (bmp, txt...) - but these are then corrupt.
    If, on the other hand, it is not a system drive, it works fine.
    And the interesting thing: If the system drive is an HDD, it works fine too
    Odd .

    I have used such tools to restore entire os and user files.

    Did you try z-vsscopy? Shadow Copy Explorer - manage & search - Z-DBackup
      My Computer


 

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