Windows 10: problem upgrading windows 10 to 11 from ISO :: 0xC1900101 - 0x40021 [SECOND_Boot...

Discus and support problem upgrading windows 10 to 11 from ISO :: 0xC1900101 - 0x40021 [SECOND_Boot... in Windows 10 Gaming to solve the problem; Here is the log:https://drive.google.com/file/d/1l6rWNuU6aC4xNMJdlIC16dlTUQ8MsAAz/view?usp=sharingThanks... Discussion in 'Windows 10 Gaming' started by dinisbrazão, May 15, 2023.

  1. problem upgrading windows 10 to 11 from ISO :: 0xC1900101 - 0x40021 [SECOND_Boot...


    Here is the log:https://drive.google.com/file/d/1l6rWNuU6aC4xNMJdlIC16dlTUQ8MsAAz/view?usp=sharingThanks

    :)
     
    dinisbrazão, May 15, 2023
    #1

  2. error 0xC1900101 - 0x40021

    • 0xC1900101 - 0x40021 the installation failed in the SECOND_BOOT phase during SYSPREP_RESPECIALIZE operation.
    • I dont know how to solve this, and I wasn't able to find a solution. Im upgrading from windows 7


    problem upgrading windows 10 to 11 from ISO ::  0xC1900101 - 0x40021 [SECOND_Boot... [​IMG]
     
    adrianrondon, May 15, 2023
    #2
  3. Faidon K Win User
    0xC1900101 - 0x40021: we couldnt install windows 10

    ERROR message during the windows 8 to 10 upgrade of a Lenovo yoga 3 pro 1370:

    we couldnt install windows 10

    0xC1900101 - 0x40021

    failed in the SECOND_BOOT phase with an error during SYPREP_RESPECIALIZE

    Tried twice, have followed tips such as turning antivirus off...

    Any help is appreciated
     
    Faidon K, May 15, 2023
    #3
  4. problem upgrading windows 10 to 11 from ISO :: 0xC1900101 - 0x40021 [SECOND_Boot...

    Windows 11 Installation Error Error Code: 0xC1900101 0x40021

    I tried installing Windows 11 using ISO but it fails at the end with the error:

    Error Code: 0xC1900101 0x40021

    The installation failed in the SECOND_BOOT phase with an error during SYSPREP_RESPECIALIZE operation

    Cant seem to find any documentation regarding this error.

    Also i tried installing using the other methods

    1)Check for updates Menu in Settings- It displays

    "Great news—your PC meets the minimum system requirements for Windows 11. Specific timing for when it will be offered can vary as we get it ready for you."

    2)Windows Installation Assistant - It does the entire process of downloading and installing Windows 11 and ultimately reboots into WIndows 10 .

    Also the pc is fully compatible in the pc Health Check WIndows 11 requirements.
     
    Anonymous_234856, May 15, 2023
    #4
Thema:

problem upgrading windows 10 to 11 from ISO :: 0xC1900101 - 0x40021 [SECOND_Boot...

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