Windows 10: Windows 11 upgrade failed

Discus and support Windows 11 upgrade failed in Windows 10 Installation and Upgrade to solve the problem; We have a dental client with several PC's failed on Windows 11 upgrade. Tried with upgrade through Datto RMM, Windows updates, Microsoft update... Discussion in 'Windows 10 Installation and Upgrade' started by Branko Grujic, Feb 3, 2025.

  1. BRANKO GRUJIC
    Branko Grujic Win User

    Windows 11 upgrade failed


    We have a dental client with several PC's failed on Windows 11 upgrade. Tried with upgrade through Datto RMM, Windows updates, Microsoft update assistant and ISO file as well.Windows 11 readiness check showed that all devices are Capable for upgrade.Any suggestions and help will be much Appreciated.

    :)
     
    Branko Grujic, Feb 3, 2025
    #1
  2. UCHEBULAMA
    UcheBulama Win User

    Upgrading to windows 11

    I have a few questions about windows 11...

    1. How many GB it is? when my pc suggested the upgrade yesterday, it said it's about 4GB just want to be sure.
    2. I'm using a windows 10 pro so if I upgrade, will it upgrade to a windows 11 pro?
     
    UcheBulama, Feb 3, 2025
    #2
  3. RAMESH SRINIVASAN
    Ramesh Srinivasan Win User
    Windows 11 upgrade failed.

    Thanks.

    The BCD or the EFI boot partition's file system is corrupt. Rebuilding the EFI boot partition fixes this issue.

    Please go through these links for more information:

    If you need step-by-step assistance in this regard, boot into WinRE Command Prompt.

    Then run:

    • mountvol y: /s
    • bcdedit
    • diskpart
    • list vol
    For each command, photograph the screen and upload it to OneDrive.
     
    Ramesh Srinivasan, Feb 3, 2025
    #3
  4. BUG
    bug Win User

    Windows 11 upgrade failed

    Ssd upgrade

    What do you mean "no good"? At which step did it fail?
     
    bug, Feb 3, 2025
    #4
Thema:

Windows 11 upgrade failed

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