VirtualBox

Ticket #19364 (new defect)

Opened 3 years ago

Last modified 2 months ago

EFI boot from ISO does not work in existing VMs

Reported by: awhb Owned by:
Component: EFI Version: VirtualBox 6.1.4
Keywords: EFI boot, ISO Cc:
Guest type: all Host type: all

Description

I have installed Windows 10 64 Bit as guest in EFI mode in a VM under Windows 10 64 Bit as host system, it works fine. However when I mount a bootable ISO (e. g. an actual Windows 10 ISO) and set the optical device as first option in the boot priority, the machine still boots the installed Windows 10 from hard disk. Obviously the boot order is without any effect. When I create a new VM in EFI mode, booting from ISO works one time, when I close the dialog, which asks the boot medium. In legacy guest mode (without EFI) everything works fine. I found this bug first time in Virtual Box 6.1.

Change History

comment:1 Changed 3 years ago by aeichner

  • Host type changed from Windows to all
  • Component changed from virtual disk to EFI
  • Guest type changed from Windows to all

Known issue, the boot order in the VM settings work only with the legacy BIOS so far. If you want to change the boot order, press ESC during the EFI firmware phase to get into the boot manager menu. There you can change the boot order.

comment:2 Changed 3 years ago by awhb

Thanks for response. Is it planned that this bug will be fixed in the next update?

comment:3 Changed 3 years ago by aeichner

No, and there is no plan to fix it currently. The changes are quite invasive and big compared to the benefit at the moment so we don't want to spend resources on it. The only thing we might do is to disable the boot priority settings when EFI selected with an explanation as to why.

comment:4 Changed 21 months ago by grahamperrin

Cc: grahamperrin

comment:5 Changed 5 months ago by Synthead

If you want to change the boot order, press ESC during the EFI firmware phase to get into the boot manager menu. There you can change the boot order.

This doesn't seem to work. I am pressing Esc while the VM boots up, and it seems to ignore the keystroke. This is VirtualBox 6.1.34 on Windows.

comment:6 Changed 2 months ago by mauricev1

The UEFI boot manager menu is responding to the ESC key on a Mac under 6.1.38.

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