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VirtualBox fails with "Inaccessible Boot Device" BSOD

I was unsuccessful trying to run my WinToUSB stick's image in Virtualbox so far (obviously I don't know how to correctly set it up, for example where to put the boot partition etc.).

So I though let's try the Windows To Go Upgrader because it does exactly what I need, creates a VirtualBox Image from the WinToUSB Stick. So I downloaded it and started the "check for upgrade" with a "Windows 10 Pro (x64)" GPT/UEFI WinToUSB enabled USB Stick. The process starts and creates the VM and tries to start it. At first I see the virtualbox logo and the turning dots at the bottom which everyone knows, but after about 5-10 seconds I get a BSOD saying "UNMOUNTABLE_BOOT_VOLUME". So, question is, whe isn't it able to boot? I'm using Virtualbox 5.1.20.

I would be even be willing to pay if I can boot the WinToUSB image so I can modify it. And it also seems that other people are having also big problem to boot a WinToUSB volume in Virtualbox if you look into the forum threads about WinToUSB.

Any help would be greatly appreciated.

Best regards,


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VirtualBox fails with "Inaccessible Boot Device" BSOD - by marcelser - 05-13-2017, 12:03 AM

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