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