Tuesday, February 16, 2016

[Solution] "This computer does not support Intel VirtualizationTechnology (VT-x)" message when installing Intel HAXM

When you install Intel Hardware Accelerated Execution Manager (HAXM) from intelhaxm-android.exe, you get the following message: "This computer does not support Intel Virtualization Technology (VT-x). HAXM cannot be installed. Please refer to the Intel HAXM documentation for more information."

Diagnostic tools could even say that your processor does not support virtualization.

However, there can be a simple reason for this behavior: Hyper Virtualisation (Hyper-V, hypervisor) is enabled on the system.

To disable it:
  1. Open an elevated command prompt by pressing Win+X and then selecting Command Prompt (Admin) menu command.
  2. Run the following command there:
    dism.exe /Online /Disable-Feature:Microsoft-Hyper-V-All
  3. Type Y and press Enter to reboot computer.
To enable Hyper-V back (e.g. if you want to run Windows Phone emulators), run the following command and reboot computer:
dism.exe /Online /Enable-Feature:Microsoft-Hyper-V /All

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