

Now we need to find the disk number of your physical USB drive. Before doing anything, make sure you’ve created a bootable USB drive and plugged it into your computer.How to Boot An Existing VirtualBox VM from USB Drive? When you boot your virtual machine from the newly-created virtual hard drive, it will load the operating system on your USB stick.

Just create a new virtual hard disk (VMDK) file and use it as a raw disk that VirtualBox maps to your USB drive. Luckily there is a workaround to boot a VirtualBox virtual machine from USB drive. How can I get a VirtualBox virtual machine to boot from a physical USB drive? The problem is that the GUI of Oracle VirtualBox does not have an option to set boot from USB.
