bcdedit: The boot configuration data store could not be opened

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  1. Posts : 502
    Microsoft Windows 10 Home 64-bit 18363 Multiprocessor Free
       #1

    bcdedit: The boot configuration data store could not be opened


    I used Macrium Reflect to clone a disk onto another disk and now all BCD data has disappeared. When I run bcdedit, I get this:

    The boot configuration data store could not be opened.
    The system cannot find the file specified.

    EasyBCD doesn't find a file either.

    Should I run bootrec /rebuildbcd?

    Or do I have to do the sequence of:

    bootrec /fixmbr
    bootrec /fixbcd
    bootrec /scanos
    bootrec /rebuildbcd

    Any other ideas before I run the above?

    Also x:\boot\bcd is missing on all 3 disks that are bootable with Windows 10 (they are all clones).

    - - - Updated - - -


    bcdedit: The boot configuration data store could not be opened-image.png

    And these are the bootable disks, C:, G: and F:

    bcdedit: The boot configuration data store could not be opened-image.png

    - - - Updated - - -

    There is also this procedure:

    How to Rebuild the BCD in Windows


    and this:

    Windows 10 doesn't boot anymore after flagging partion as active

    and this:

    Which tool to recover the EFI partition? Booted into Rescue Disk
      My Computer


  2. Posts : 4,523
    Windows 11 Pro 64-bit
       #2

    Please boot your computer with Windows Setup Media and from Windows Recovery Environment start the Command Prompt.

    Please type below commands into Command Prompt and press Enter key.

    Following commands will repair Master Boot Record (MBR), Boot Sector and BCD Store.


    Code:
    Bootrec /FixMbr
    
    Bootrec  /FixBoot
    
    Bootrec /scanos
    
    Bootrec  /RebuildBcd
      My Computer


  3. Posts : 502
    Microsoft Windows 10 Home 64-bit 18363 Multiprocessor Free
    Thread Starter
       #3

    I am already booted into Win 10, possible to find bootrec anywhere in the filesystem? It's not in the path nor in C:\Windows\system32\ directory.
    Possible to download it?
      My Computer


  4. Posts : 4,523
    Windows 11 Pro 64-bit
       #4

    dictum said:
    I am already booted into Win 10, possible to find bootrec anywhere in the filesystem? It's not in the path nor in C:\Windows\system32\ directory.
    Possible to download it?
    The BCD store is not corrupted if you can boot into Windows 10.
    The Bootrec command-line tool can only be used from Windows Recovery Environment.
      My Computer


  5. Posts : 502
    Microsoft Windows 10 Home 64-bit 18363 Multiprocessor Free
    Thread Starter
       #5

    I booted into 10, ran the Macrium Reflect disk clone/image. It corrupted the BCD store. None of the commands work. If I reboot now, it won't come back.

    Is there any other way to rebuild it? I fear I won't be able to fix it if I reboot. but now I have the full access to the operating system.

    I've had a similar problem before and tried the Windows 10 "fix the boot problem" while booting off the Win10 recovery flash and it didn't work.

    I really don't understand how or why Macrium wiped out my BCD configuration. It worked before it and doesn't work now.
      My Computer


  6. Posts : 4,523
    Windows 11 Pro 64-bit
       #6

    Open the Command Prompt as a administrator and execute bcdedit command post a screenshot of this command output.
      My Computer


  7. Posts : 7,086
    Windows 10 Pro 64 bit
       #7

    You could create a Macrium Reflect USB recovery drive, boot from that and run the option to fix boot problems. I prefer to use imaging rather than cloning to move an OS between drives.
      My Computers


  8. Posts : 4,523
    Windows 11 Pro 64-bit
       #8
      My Computer


  9. Posts : 502
    Microsoft Windows 10 Home 64-bit 18363 Multiprocessor Free
    Thread Starter
       #9

    FreeBooter said:
    Open the Command Prompt as a administrator and execute bcdedit command post a screenshot of this command output.
    It was done in the post #1 above.

    - - - Updated - - -



    bcdedit: The boot configuration data store could not be opened-image.png

    - - - Updated - - -

    Steve C said:
    You could create a Macrium Reflect USB recovery drive, boot from that and run the option to fix boot problems. I prefer to use imaging rather than cloning to move an OS between drives.

    do you think that's going to rebuild the BCD store issue?

    - - - Updated - - -



    bcdedit: The boot configuration data store could not be opened-image.png
      My Computer


  10. Posts : 13,930
    Windows 10 Pro X64 21H1 19043.1503
       #10

    You have a UEFI system. The BCD store is in the EFI partition, not C:\boot\BCD.

    do you think that's going to rebuild the BCD store issue?
    It's worked many times for me, but hang on a bit, let me see if I can get hold of someone.

    If you read through this thread you'll see that you can use the following to fix the BCD for an EFI system: Moving / recreating EFI partition

    Boot the computer using the Windows 10 installation media.
    - On the first screen, press SHIFT+F10 to bring up the command prompt.
    - Run the following commands at the command prompt.

    diskpart
    list disk
    select disk # Note: Select the disk where the EFI System partition is
    list partition
    select partition # Note: Select the EFI partition
    assign letter=s

    list volume Note: Note the volume letter where the Windows OS is installed.
    exit

    bcdboot X:\windows /s S:

    Note:
    Replace "X" with the volume letter of the Windows OS partition.
    S: is your EFI partition you assigned above.

    Once done, remove the letter S from the EFI partition.
      My Computers


 

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