Windows 10: Hidden partitions after cloning

  1.    22 Apr 2017 #1

    Hidden partitions after cloning


    This is a computer I built several years ago (E6300).
    I have upgraded from Windows 8.1 to Windows 10 Pro.
    I have cloned the HDD to an SSD. (I eventually figured out how using Macrium Reflect. There was another D: partition for which I used Aomei Partition Assistant to combine it with C:.)
    This is what Disk Management shows now:

    Click image for larger version. 

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    Notice that the recovery partition is empty, although there is something in the other hidden partition.
    1. What is typically in a recovery partition? Anything related to using Create a Restore Point?
    2. What might be in the other (350MB) hidden partition?
    3. Can either of these be safely deleted? Not that the space is needed but I'd just like to know.

    I understand that a partition ahead of C: cannot be combined with C:, but the unused 450MB recovery partition could be.

    Suggestions/discussion appreciated.

    P.S. I cloned another computer and the recovery partition ended up being called D:. ???
      My ComputerSystem Spec

  2. Bree's Avatar
    Posts : 8,555
    10 Home x64 (1803) (10 Pro on 2nd pc)
       22 Apr 2017 #2

    The recovery partition is probably not empty despite what Disk Management shows. You won't have the necessary permission to see what's in a Recovery partition hence the apparent '100% free'. If all is well, the WinRE recovery environment should be there. Open a Command Prompt (Admin) and type reagentc /info to find out if the Recovery partition is in use. If it is in use, it should say:

    Windows RE location: \\?\GLOBALROOT\device\harddisk0\partition3\Recovery\WindowsRE

    Restore points are kept in the hidden folder 'System Volume Information' on the root of the drive to which they refer.
      My ComputersSystem Spec

  3. Berton's Avatar
    Posts : 5,273
    Win10 Home and Pro, Win10 Insider Preview, WinXP Home Premium, Linux Mint
       22 Apr 2017 #3

    I just had to reinstall Win10 on a client's computer and the 'hidden' partition on it contains the Win8 Factory Restore files, more than 17GB and labeled as OEM Recovery, used to put the computer back to its as-shipped condition.
      My ComputerSystem Spec

  4. Bree's Avatar
    Posts : 8,555
    10 Home x64 (1803) (10 Pro on 2nd pc)
       22 Apr 2017 #4

    Berton said: View Post
    I just had to reinstall Win10 on a client's computer and the 'hidden' partition on it contains the Win8 Factory Restore files, more than 17GB and labeled as OEM Recovery, used to put the computer back to its as-shipped condition.
    At 450MB it's a bit small for that. It's the typical size for a Windows 10 recovery environment.

    You can see what's in a Recovery Partition by using MiniTool Partition Wizard. Right-click on the partition and select 'Explore'.
      My ComputersSystem Spec

  5. Berton's Avatar
    Posts : 5,273
    Win10 Home and Pro, Win10 Insider Preview, WinXP Home Premium, Linux Mint
       22 Apr 2017 #5

    Bree said: View Post
    At 450MB it's a bit small for that. It's the typical size for a Windows 10 recovery environment.

    You can see what's in a Recovery Partition by using MiniTool Partition Wizard. Right-click on the partition and select 'Explore'.
    At over 17GB it obviously includes all the bloatware that came installed on the computer.
      My ComputerSystem Spec

  6. Bree's Avatar
    Posts : 8,555
    10 Home x64 (1803) (10 Pro on 2nd pc)
       22 Apr 2017 #6

    I was referring to Jambe's recovery partition, which is shown as 450MB in the screenshot.
      My ComputersSystem Spec


 

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