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Tim Long
Asked: 2011-08-16 11:55:03 +0800 CST

Hyper-V spontaneously pauses all VMs

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I just had an odd thing happen with a Hyper-V server that has 4 guest VMS running on it. The host server and all guests are Server 2008 R2 SP1.

I logged into one of the guest VMs using Remote Desktop and rebooted a web application running on it, then logged out. I tried to access that service remotely and it was unresponsive. I tried other services and they were unresponsive too. I logged into the host server and opened the Hyper-V console, and all of the VMs were paused. WTF? I manually resumed them and off they went.

I'm pretty sure I didn't do anything to make those VMs pause. One I may hove done accidentally somehow, but a bunch of 4, definitely not! So how could this have happened? What would make VMs pause themselves?

hyper-v hyper-v-server-2008-r2

1 Answers

  1. Best Answer

    Your host ran out of disk space (or thought it did, can happen with flaky clusters or SANs)

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