Windows 10: Hypervisor is greyed out after 21H! update

Discus and support Hypervisor is greyed out after 21H! update in Windows 10 Performance & Maintenance to solve the problem; Hi, I updated Win 10 Pro 64bit to Version 21H1 (Build 19043.985) and all is OK excepting Hyper-V Hypervisor, its greyed out. So, I cant create a dual... Discussion in 'Windows 10 Performance & Maintenance' started by Petrus07, May 22, 2021.

  1. PETRUS07
    Petrus07 Win User

    Hypervisor is greyed out after 21H! update


    Hi, I updated Win 10 Pro 64bit to Version 21H1 (Build 19043.985) and all is OK excepting Hyper-V Hypervisor, its greyed out. So, I cant create a dual boot Windows-Macrium using viBoot of Macrium Reflect 7 as I had in my HP Envy Notebook, prior to this recent update. I tried to fix it by means of DISM /Online /Enable-Feature /All /FeatureName:Microsoft-Hyper-V with CMD and PowerShell sessions (as Administrator) and through Settings (Programs and Features, Turn Windows Features on or off), but problem remains. I will appreciate help and suggestions. Best regards

    :)
     
    Petrus07, May 22, 2021
    #1
  2. FJK61011
    fjk61011 Win User

    Build 14316. Hyper-v Hypervisor greyed out.


    Tried Powershell: Enable-WindowsOptionalFeature -FeatureName Microsoft-Hyper-V-All -Online

    as suggested by kebero. Success
     
    fjk61011, May 22, 2021
    #2
  3. FJK61011
    fjk61011 Win User
    Build 14316. Hyper-v Hypervisor greyed out


    Build 14316. Hyper-v Hypervisor greyed out.

    I have Intel VT enabled in the UEFI BIOS.

    Any suggestions?

    EDIT: Processor i5 4460 which has vt-x capabilities. However Intel Processor id utility says it doesn't.

    Hypervisor worked with previous builds


    EDIT: When I disabled VT-x in the BIOS intel id utility shows processor is VT-x capabile. When I enable it ID utility says not VT-x capabile?!?!
     
    fjk61011, May 22, 2021
    #3
  4. FJK61011
    fjk61011 Win User

    Hypervisor is greyed out after 21H! update

    Build 14316. Hyper-v Hypervisor greyed out.


    Build 14316. Hyper-v Hypervisor greyed out.

    I have Intel VT enabled in the UEFI BIOS.

    Any suggestions?

    EDIT: Processor i5 4460 which has vt-x capabilities. However Intel Processor id utility says it doesn't.

    Hypervisor worked with previous builds


    EDIT: When I disabled VT-x in the BIOS intel id utility shows processor is VT-x capabile. When I enable it ID utility says not VT-x capabile?!?!
     
    fjk61011, May 22, 2021
    #4
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Hypervisor is greyed out after 21H! update

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