Difference between revisions of "HyperV; Copying or Moving a Virtual Machine"
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== Ingredients of this Issue == | |||
Hyper-V on Windows Server 2012 or 2016 Host | Hyper-V on Windows Server 2012 or 2016 Host | ||
CentOS 7 (should work with other versions), Generation 2 Virtual Machine | CentOS 7 (should work with other versions), Generation 2 Virtual MachineT | ||
== The Issue == | |||
The Virtual Machine will not boot. | |||
== The Error Message == | |||
Failed to open \EFI\... Not Found | |||
or | |||
Failed to load image \EFI\Boot... Not Found | |||
== The Solution == | |||
Boot from a DVD, preferably a recent one. Follow the prompts of the boot DVD, have it find the OS, mount the found OS as the root file system (the boot DVD will prompt you for these items) | |||
mv /boot/efi/EFI/BOOT /boot/efi/EFI/BOOT.old | |||
cp -R /boot/efi/EFI/centos /boot/efi/EFI/BOOT | |||
cp /boot/efi/EFI/BOOT/shimx64.efi /boot/efi/EFI/BOOT/BOOTX64.efi | |||
grub2-mkconfig -o /boot/efi/EFI/centos/grub.cfg | |||
Reboot. | |||
== A Suggestion == | |||
Make a copy of the Virtual Machines VHDX file first. | |||
== An Alternative == | |||
[https://noobient.com/post/165797742756/fixing-the-efi-bootloader-on-centos-7 This] is another suggestion I found, but did not try. | |||
Revision as of 14:04, 15 February 2018
Ingredients of this Issue
Hyper-V on Windows Server 2012 or 2016 Host
CentOS 7 (should work with other versions), Generation 2 Virtual MachineT
The Issue
The Virtual Machine will not boot.
The Error Message
Failed to open \EFI\... Not Found
or
Failed to load image \EFI\Boot... Not Found
The Solution
Boot from a DVD, preferably a recent one. Follow the prompts of the boot DVD, have it find the OS, mount the found OS as the root file system (the boot DVD will prompt you for these items)
mv /boot/efi/EFI/BOOT /boot/efi/EFI/BOOT.old
cp -R /boot/efi/EFI/centos /boot/efi/EFI/BOOT
cp /boot/efi/EFI/BOOT/shimx64.efi /boot/efi/EFI/BOOT/BOOTX64.efi
grub2-mkconfig -o /boot/efi/EFI/centos/grub.cfg
Reboot.
A Suggestion
Make a copy of the Virtual Machines VHDX file first.
An Alternative
This is another suggestion I found, but did not try.