if he builds a box with a second disk he maybe can remain his windows with it's hw
profile.
a) second disk with F24 and VirtualBox
b) integrate the windows disk/partions as raw disks into a Windows VM via:
sudo VBoxManage internalcommands createrawvmdk -filename ./Win7_RAW.vmdk -rawdisk /dev/sdb
-partitions 1,2 -relative
1:= Windows Boot Part.
2:= Windows System Part.
c) chown <username>:<username> Win7_RAW*
d) not sure about this : usermod -a -G disk <username> (logoff/ogon)
e) in VB pick Win7_RAW.vmdk as your VM disk