Restoring from backup into Hyper V

Posted on 2011-10-03
Last Modified: 2013-12-02

We had an issue today with the primary partition VHD of our SBS 2011 server that was running within hyper v. Basically the partition has been deleted, and the only copies i have is one from about 5 months ago, and the sbs backup from a week or so ago.

All the critical data including exchange data was stored on the d:\ partiition VHD and is completely intact. I've tried restoring the VHD i had from 5 months ago and it boots/runs fine - but there's a few AD issues and also having problems with Exchange.

I've tried restoring from backups which are stored on a NAS but having problems getting the VM to see the NAS on the network to allow me to do a restore. Being a VM it won't see a USB device either to allow me to restore from that. Is there any simple way that i'm missing here?

I've drilled into the backup files and i've found four VHD files - 2 are obviously for the c:\ partion and 2 for the d:\ partion judging by file size.

Is there any way to maybe mount these directly into Hyper V?
Question by:elemist
    LVL 56

    Expert Comment

    by:Cliff Galiher
    There is not. However if you were performing backups at the guest level to the NAS without issue then you should be able to restore the same way. What issues/errors are you having?
    LVL 1

    Author Comment

    Thanks for your reply.

    The scenario is like this.

    Primary SBS 2011 Box had 2 partitions each on its own VHD.
    The system partition VHD was deleted - no backups of the actual VHD's except one physical copy i took of the VHD a few months back before i made some changes.

    Within SBS - backups were occuring using the inbuilt backup wizards to the NAS device, although from what i can see on the NAS the last successfull backup was a couple of weeks ago.

    When i tried to boot up a new VM to attempt the restore i can boot from CD, but when i go through the backup process it can't find the NAS or anything on the network.

    On a side stream i have tried reverting back to the copy of the VHD - which is from a few months ago. The issues i'm having with this is since that copy was taken i had moved the Exchange data onto the D:\ partition. So by default its using the copy in the c:\ partition which is nearly 5 months old. I'm working on two angles here - i have another thread in the exchange section trying to restore the new copy of the exchange database. Hopefully that works - although if it does i am still going to have problems with users who have been created and issues within AD considering how old the information is.

    So i think restoring back to a couple of weeks would be the preferable option :)
    LVL 56

    Accepted Solution

    Indeed. And that shouldn't be an issue. But you still haven't provided WHERE your restore process is failing or where you are getting stuck. Boot from the ISO, choose repair, choose to restore an imagem select the image on the NAS, and it will complete. Please provide DETAILED steps that younger taking, where you get stuck, and why (errors, etc) or I can't guess why this process, usually straightforward, is failing.

    LVL 1

    Author Comment

    The problem i was having involved acessing the NAS across the network to be able to select the backup file to restore from. Had to try a few different ways before i could even access it...

    Anyways long story short i managed to get everything else working from an exchange point of view and with a few tweaks and some physical work managed to get AD back to a usable state.

    Now to examine the backup setup to avoid this ever happening again!

    Thanks for your help

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