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Windows Machine to VirtualBox VM
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Convert a windows machine to a VirtualBox VM on FreeBSD


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1. Download the guest additions iso version onto the host

vboxmanage --version
cd /export/iso
wget https://download.virtualbox.org/virtualbox/6.1.50/VBoxGuestAdditions_6.1.50.iso


2. Download virtio drivers for windows

# https://github.com/virtio-win/virtio-win-pkg-scripts/blob/master/README.md
cd /export/iso
wget https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/stable-virtio/virtio-win.iso


3. Download Disk2vhd from microsoft and save it to the windows machine desktop

# https://learn.microsoft.com/en-us/sysinternals/downloads/disk2vhd
# Run Disk2vhd as administrator and select the drive to convert and save the .vhd
# knowing the existing hardware setup of your working machine will help to set up the virtual machine
# run as administrator
# [ ] prepare for use in virtualpc
# [ ] use vhdx
# [x] use volume shadow copy
# select all volumes on the disk


4. Copy the .vhd to your VirtualBox host machine and convert it to .vdi

mkdir /export/vm/wino
cd /export/vm/wino
mv windows-pc.vhd .
vboxmanage clonehd windows-pc.vhd wino-disk1.vdi --format VDI
vboxmanage showmediuminfo wino-disk1.vdi


5. Create a vm using the windows disk .vdi and boot

vboxmanage createvm --name wino --ostype Windows10_64 --register
vboxmanage storagectl wino --name SATA --add sata
vboxmanage storagectl wino --name IDE --add ide
vboxmanage storageattach wino --storagectl SATA --port 0 --device 0 --type hdd --medium /export/vm/wino/wino-disk1.vdi
vboxmanage storageattach wino --storagectl IDE --port 0 --device 0 --type dvddrive --medium /export/iso/VBoxGuestAdditions_6.1.50.iso
vboxmanage modifyvm wino --nictype1 virtio --nic1 bridged --bridgeadapter1 igb0
vboxmanage modifyvm wino --memory 4096 --cpus 2 --vram 256
vboxmanage modifyvm wino --pae on --hwvirtex on --nestedpaging on --pagefusion on --apic on --acpi on --audio none --usb off
vboxmanage modifyvm wino --vrde on --vrdemulticon off --vrdeport 5901 --vrdeproperty VNCPassword=secret_password
vboxmanage startvm wino --type headless


6. Install guest additions

# Connect to the vm with a vnc client aimed at your VirtualBox host machine ip and guest port
# Open the CD and run VBoxWindowsAdditions and restart


7. Install virtio drivers

vboxmanage storageattach wino --storagectl IDE --port 0 --device 0 --type dvddrive --medium /export/iso/virtio-win.iso
# Open the CD and run setup


8. Now that you are done, Windows activation might start nagging you


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If it does not boot then fixing boot might help
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# Download or create a bootable windows installer .iso and save it on the VirtualBox host machine
# https://support.microsoft.com/en-us/windows/create-installation-media-for-windows-99a58364-8c02-206f-aa6f-40c3b507420d
mv Win10_22H2_English_x64v1.iso /export/iso
vboxmanage controlvm wino poweroff
vboxmanage storageattach wino --storagectl IDE --port 0 --device 0 --type dvddrive --medium /export/iso/Win10_22H2_English_x64v1.iso
vboxmanage startvm wino --type headless

# quickly press any key to boot from cd

  # for newer windows with EFI
  shift+F10                                  open a command prompt when the Windows Setup screen appears
    diskpart                                 run diskpart
      list vol                               identify the raw EFI system partition
      select vol #                           select the volume where # is the volume number
      format quick fs=fat32 label="System"   format the volume
      exit                                   quit diskpart
    bcdboot C:\Windows                       create the boot configuration where C is the drive letter

  # for older windows with MBR
  Repair your computer > Troubleshoot > Advanced options > Command prompt
    diskpart                                 run diskpart to verify the partitions
      list disk
      select disk 0
      list partition
      exit                                   quit diskpart
    bootrec /fixmbr
    bootrec /fixboot
    bootrec /scanos
    bootrec /rebuildbcd

    chkdsk D: /f /r                          if the above has errors, do this where D is the drive letter, then try again

    bootsect /nt60 ALL /mbr                  if the above fails, try this


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If it still does not boot then try changing the firmware to efi
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vboxmanage controlvm wino poweroff
vboxmanage modifyvm wino --firmware efi
vboxmanage startvm wino --type headless


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End
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