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Major screw-up here and I need to find out how much trouble I am in.

I have an AD machine that is running Server 2008 R2, hyperv, DHCP and DNS. On the hyperv machine, I have a backup AD instance running along with a handfull of other server 2008 instances.

One of the instances is running Acronis backup which has a current (last night) backup of the hyperv machine.

Sysprep was run on the hyperv machine instead of one of the instances.

What did I lose and what are the basic steps to get back the environment?

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Restore from your last good backup? – Zoredache Jan 31 at 19:15
That should be an answer, zoredache :-) Actually, the answer... – mfinni Jan 31 at 19:17
I have a good backup using Acronis but I hate to go that route unless I have to. The Acronis software was running on one of the instances. – rboarman Jan 31 at 19:18
@rboarman You really don't have much of a choice at this point. – TylerShads Jan 31 at 19:24
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Why the down vote? At least leave a comment. – rboarman Jan 31 at 19:49
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2 Answers

up vote 8 down vote accepted

If you have a good backup, then try doing a restore of the system state. Most of what sysprep does is related to that.

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I have to figure out how to run the acronis guest instance, then I can boot from the Acronis CD and restore the machine. I am not sure of Acronis can restore just the system state but I will check. Thank you. – rboarman Jan 31 at 19:37
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up vote 4 down vote

Is this for a work environment? Because you should be able to replace a smoked VM host without having to depend on what's in it. If the thing was just running AD/DNS/DHCP, then it would be easiest to migrate all of the guests off of it, and just do a plain new install followed by a DCPromo, and then rebuild your DHCP server, hopefully it wasn't too complicated.

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Worst case you can pop the hdd into another host and copy them off manually. Importing them by hand is a pain though because you have to symlink all the XML config files by hand. – Mark Henderson♦ Jan 31 at 20:29
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