Moving Hyper V to a new server

jboyle00 used Ask the Experts™
We had a server just crash and I need to get hyper V box up and running quickly.   I have hyper v installed on server 2012 machine.  I can restore the vhd file from last nights backup.  What is the quickest way to get the new vhd live, should I use the import process or can I attach the virtual disk to virtual machine.    The vhd file is 60gb.    Virtual box is running exchange 2010 on server 2008 OS
Thanks in advance.
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Lee W, MVPTechnology and Business Process Advisor
Most Valuable Expert 2013

Can you be more specific?  Did the hard disk fail?  Did the OS get corrupt?  Did the hardware die?  "Crash" is a very broad term and depending on HOW it crashed, you may have an easier or more difficult time restoring things.

I don't want to write a book right now, so I'll try to summarize:

If the hard disk died you MUST go to your backups.

If the OS failed, reinstall on the existing hardware and then import the VMs (HOPEFULLY the server was intelligently designed and the VMs are NOT also stored on the C: drive).

If the other hardware failed (motherboard/power supply/etc) then depending on the RAID you used, you can just pull them and attach them as slave drives, importing the VMs.

Yes, I would import the VMs before attaching them or the OS will likely see certain hardware as new - like the network cards.

DO be sure you have backups of the raw files if you do import them - copy them to another disk first so you have a way to recover exactly where you are with them.

You said you're running Virtual box now with Exchange 2010 and 2008?  I'm not sure how that Virtual Box hardware change will affect your VMs once you switch them over to Hyper-V.
If you have an intact .VHD file on the HyperV box just create a new VM, and when asked for a disk, browse to this one rather than creating a new one. Should be up and running in a few minutes.

It would be nice to add the HyperV add-ons to the image, but not required.


Thanks that worked great.

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