FIX: Raw-mode is unavailable courtesy of Hyper-V in VirtualBox

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Updated onOctober 4, 2023

updated onOctober 4, 2023

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VirtualBoxis great if you want to run a virtual machine on yourPC, but many users reportedRaw-mode is unavailable courtesy ofHyper-Verror inVirtualBox.

Here’s how one user described the issue onVirtualBox forums:

Hi, I am getting the famouserrorwhen trying to boot a VM:“Raw-mode is unavailable courtesy ofHyper-V. (VERR_SUPDRV_NO_RAW_MODE_HYPER_V_ROOT)”

In this article we’re going to show you the fastest and the simplest solutions for thiserror, so let’s get started.

What to do if Raw-mode is unavailable due to Hyper-V in VirtualBox?

1. Turn off Core Isolation feature in Windows Defender

2. Disable Hypervisor

Want to use Windows Sandbox and VirtualBox simultaneously? Here’s how to do that like a pro!

3. Make sure that Hyper-V is disabled

4. Make sure that virtualization is enabled in BIOS

Note:Each version of BIOS is different, and in order to see how to properly find and enable Virtualization in BIOS, we advise that you check the manual.

There you go, four quick and simple solutions that will help you fixRaw-mode is unavailable courtesy ofHyper-Verror inVirtualBox.

FIX: Raw-mode is unavailable courtesy of Hyper-V in VirtualBox#

What to do if Raw-mode is unavailable due to Hyper-V in VirtualBox?#

1. Turn off Core Isolation feature in Windows Defender#

2. Disable Hypervisor#

3. Make sure that Hyper-V is disabled#

4. Make sure that virtualization is enabled in BIOS#