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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.

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

I am attempting to bring the machine back up so I can try a system restore.

When I boot the hyperv machine, I get an error that says “Windows could not complete the installation. To install windows on this computer , restart the installation” This message occurs in safe mode, AD restore mode and in last known configuration mode.

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How can I get my OS to boot at this point? Do I need to reinstall 2008 R2 from scratch?

rboarman
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1 Answers1

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Your best bet is to connect the volume that the VM is on to another machine and pull it out. Then, you can transfer it to another Hyper-V server to get your AD up and running.

While the copy is happening, update your resume.

Then, you may have to reinstall/restore the physical host.

MDMarra
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  • Resume updated. Luckily, the servers are used for my home development network. The vhds are on a raid 5 volume on the server. Sounds like I should do a clean install of 2008 R2 and copy off the AD backup instance. – rboarman Feb 01 '12 at 00:13