I'm trying to test my SBS 2008 backup by restoring to a vm on a Hyper-V server. The SBS is a physical machine.

I created two vhdx each at 1TB in (fixed) size, which is larger than the actual disks which are 233 and 466 GB each. The restore fails almost immediately with this message:

enter image description here

The physical server has two other disks which are not backed up if that matters. I'm starting the restore by booting the vm from the SBS 2008 CD and going to the complete system restore option.

Any ideas?

  • Try creating fixed size VHDX files. I would suggest creating one of 250GB and the second of 500GB. – joeqwerty Dec 30 '13 at 23:40
  • @joeqwerty Thanks for the tip, but they are fixed sized vhdxs. I forgot to mention that, sorry. – Andy Dec 30 '13 at 23:41
  • What Windows OS is Hyper-V running on? The default virtual disk in Hyper-V on Windows Server 2012 is dynamically expanding. You have to convert it to fixed size if you want a fixed size disk. Have you done that? When you inspect the disk what type does it show? – joeqwerty Dec 30 '13 at 23:46
  • Hyperv 2012. They are fixed disks I created with the new-vhd command in powershell. I just confirmed this using hyperv manager. – Andy Dec 31 '13 at 0:14
  • OK, just trying to be thorough. Have you looked at the physical files to confirm they're the size you configured? – joeqwerty Dec 31 '13 at 0:56

The first thing to do is make sure the recovery environment is actually seeing your hard drives.

Open Command Prompt and run diskpart. The command list disk will show what disks windows sees. If they aren't showing up, either the VM is configured incorrectly, or you need to load some extra storage drivers first. I believe the restore wizard prompts you to load drivers at some point.

Also, ensure "Format and repartition disks" is selected, or that the disks are blank (delete all partitions).

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  • Ive already done those things, and the restore doesn't give you any options it says it will repatriation and format. – Andy Jan 8 '14 at 23:40
  • Can you put up a screenshot of the output of diskparts list disk command? Maybe that will show something else odd. – Grant Jan 8 '14 at 23:50
  • Ive already removed as I have given up (although I would like to try again in the future). I didn't see anything wrong and I did create partitions and format the disks. – Andy Jan 9 '14 at 0:38
  • Did you try it both ways - with the disks partitioned and formatted, and another try with the disks completely blank? – Grant Jan 9 '14 at 0:45
  • Yes, I only tried to partition and format in order to fix this issue. – Andy Jan 9 '14 at 0:52

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