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I have a host machine that has virtualBox installed, and a guest OS virtual machine is created on it.

I want to test installing virtualBox on that guest OS for training purposes, so this means that I'll be installing VirtualBox on a machine that's actually a guest image running using VirtualBox itself. Do you see any problems with this?

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up vote 2 down vote accepted

Other than the bad performance is completly possible to Install a Virtual Box virtual machine inside another virtual machine.

Due VirtualBox doesnt virtualize Intel VT-X or AMD-V in its virtual machines and the VirtualBox requires those technolgies for run 64 virtual machines, the second Virtual Machine should be of 32 bits.

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It did give me problems with a linux guest which had to do with symbol name collisions between the vboxdrv and vboxguest kernel modules. Did you guys actually manage to do it? – smichak Jun 14 '12 at 5:10
Do other hypervisors support this? I require 64-bit guests on my main guest VM. – Jamie Schembri Oct 23 '15 at 5:32

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