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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, 2012 at 19:15
  • That should be an answer, zoredache :-) Actually, the answer...
    – mfinni
    Jan 31, 2012 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, 2012 at 19:18
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    Why the down vote? At least leave a comment.
    – rboarman
    Jan 31, 2012 at 19:49
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    Are you saying the machine storing your backups is a virtual machine running on the machine it's backing up? When you get this all sorted out, you're going to fix that, right?
    – fizban
    Feb 3, 2012 at 19:33

2 Answers 2

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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, 2012 at 19:37
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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. Jan 31, 2012 at 20:29

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