Migrate a WinServer 2008r2 VM from MBR disk to GPT.

[jspiel]

Hi all.

I've run in the strange bug that occurs with x64 Windows on MBR disks and quiescing.

One of the solutions to the issue is to put the Windows on a GPT-formated disk.

So, i created another vmdk, in my windows vm, i made it as GPT disk and formatted the partition as NTFS.

Then i tested different ways to clone my windows to this new partition (by using clonezilla, or with the Backup/Restore feature of Windows Server).

One clone was done, i have shut down the VM, removed all disks and re-added the last create one as GPT. Then i changed the boot setting to use EFI instead of BIOS...

But it never boots on the disk. The disk seems to be well seen by EFI, but it says it can't boot and then try a network boot :

Any idea where i can go from there ?

[RAJ_RAJ]

Hi ,

Please check this  , i doubt it works on 2008

https://support.microsoft.com/en-us/kb/975535

[jspiel]

The link gave me some good informations, but it didn't really help me at the end. I tried to apply the hot fix (on a clone of my VM)  and it didn't change anything.