Virtual Box: Raw-mode is unavailable courtesy of Hyper-V

In this short troubleshooting article we will explain how to resolve the error message “Virtual Box: Raw-mode is unavailable courtesy of Hyper-V” more specifically the message (VERR_SUPDRV_NO_RAW_MODE_HYPER_V_ROOT) which results in an E_FAIL result code in Virtual Box.

Virtual Box: Raw-mode is unavailable courtesy of Hyper-V Hyper-V

The main issue that causes this is that you have Hyper-V activated on your system which is conflicting with VirtualBox it’s virtualization options. Therefor in this tutorial we will show you how to disable Hyper-V on your system to get VirtualBox working.

How to disable / uninstall Hyper-V on Windows 10.

The following steps are for Windows 10 however the steps are the same for Windows 7 and later, the main difference is the user interface of Windows 10.

  1. Begin by opening your Start Menu and type Features, then choose for Turn Windows Features On or Off as shown in the picture below.
Virtual Box: Raw-mode is unavailable courtesy of Hyper-V Hyper-V

2. Wait for the settings to initialize. once it’s done loading scroll in the list till you find Hyper-V

Virtual Box: Raw-mode is unavailable courtesy of Hyper-V Hyper-V

3. Make sure the checkbox before Hyper-V is disabled and then click on OK.

Once you’ve followed the steps above reboot your device and wait for Windows to change it’s settings. This could take some time.

After Windows has rebooted you can retry to start the Virtual machine in VirtualBox and it should now work fine.

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About The Author
Yuri Pustjens
Yuri Pustjens
2014, 2015, 2016, 2017 and 2018 Microsoft Most Valuable Professional Windows Yuri specializes in troubleshooting (crash analysis and devices), system resource utilisation and system performance. He is also very interested in Customer Security. Yuri can be found as Windows Community Moderator and Wiki Author on Microsoft Answers and is active on different communities all across the web.
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