Hyper-V Guests Dying

Posted by Jon Rauschenberger on Server Fault See other posts from Server Fault or by Jon Rauschenberger
Published on 2009-08-05T19:42:51Z Indexed on 2010/04/10 13:43 UTC
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I just hit my THIRD instance of a Hyper-V guest machine dying with the exact same behavior. In all three instances we are hosting WS2008 guests on a WS2008 host. AFter a config change, we reboot the guest and the guest OS comes up but in a very cripled state. Specifically, we are able to log into the guest, but can't launch any apps and the guest never comes active on the network.

I opened a support ticket with MS the second time this happened and they focused in on the DCOM subsystem not coming up...best explanation they could provide was that permissions on key system files got corrupted. I eventually gave up on the ticket after close to 10 hours on the phone trying different things that were going no where.

What really concerns me is that we have now seen the exact same thing happen to a guest hosted on a completly differet host machine. There is zero hardware overlap between the two.

Has anyone seen this before?? It's really odd behavior, but it also seems like there's a pattern here that's concerning me.

Thanks, jon

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