UNMOUNTABLE_BOOT_VOLUME after creating new EFI System Partition
I would probably have booted to a Windows install or recovery media to create the
EFI system partition by using Diskpart and the create par efi command with any modifiers necessary to make it fit in the correct location.
I know Linux can use a Microsoft EFI partition but I do know if Windows can use a Linux version.
Yes, the bcd listing which shows the boot manager and OS loader.
It may have been easier to use a third party partition manager to change the size of the EFI partition.
If you might need it, here are the details of an EFI partition from Diskpart.
Type : c12a7328-f81f-11d2-ba4b-00a0c93ec93b
Hidden : Yes
Attrib : 0X8000000000000000
Offset in Bytes: 524288000
Volume ### Ltr Label Fs Type Size Status Info
———- — ———– —– ———- ——- ——— ——–
* Volume 3 FAT32 Partition 99 MB Healthy System
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