Microsoft Backup files and Hyper-V

Hi All,

I have noticed that when creating a Microsoft Backup image that VHD files are created for each of the partitions backed up.  In a typical Microsoft installed environment that includes a system reserved partition and the OS partition.  I have been able to create a virtual machines attaching each of these VHDs.  Neither will boot because the "bootstrap" on the system reserved partition does not find the OS partition on the same drive.  Does anyone know if it is possible to combine or join these VHDs somehow to get a bootable VM.


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David Johnson, CD, MVPOwnerCommented:
it doesn't have to be on the same drive the problem is that the disk id is different and you need to from install media get to the command prompt and do the following:
bcdboot x:\windows  (replace X with the current drive letter of the operating system disk)
Philip ElderTechnical Architect - HA/Compute/StorageCommented:
The backup destination VHD is set up in such a way that it is not bootable.

One needs to restore the backup into a newly configured VM, or existing one, on a Hyper-V host in order to get the guest OS to "see" a proper partition structure.

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HeilandSAuthor Commented:

When I attempt this I get a message "Failure when attempting to copy boot files".  Any thoughts?

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David Johnson, CD, MVPOwnerCommented:
do you have a c:\windows\boot folder? I will try a backup using windows backup and report back
HeilandSAuthor Commented:

Yes.  I do have a c:\windows\boot folder.
David Johnson, CD, MVPOwnerCommented:
try copying that folder to c:\boot
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