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It seems like a simple thing to find the answer too. But, I can't seem to find it in the Hyper-V doc. I'm sure it's there somewhere.

Simple question, when I am in Hyper-V manager there are two options that seem similar but I am sure they are different. "Turn Off..." and "Shut Down..." What do they each do?

My gut tells me that "Turn Off..." is like pulling the plug on a physical machine where as "Shut Down..." sends a shut down message to the guest. Is that correct?

In both cases is the VM no longer running and using memory and CPU resources on the host.

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2 Answers 2

up vote 7 down vote accepted

you are correct in what your gut tells you.

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+1, the question pretty much contains the answer. –  ThatGraemeGuy Sep 30 '09 at 14:16
    
Thanks for the verification. I did later find this information in the Hyper-V self-service portal help: # Stop—This has the same effect as turning off the power source on a physical machine. # Shut Down—This has the same effect as shutting down the operating system on a physical machine. The virtual machine attempts an orderly closing of all programs and attempts to shut off power to avoid data loss. This requires Virtual Guest Services to be installed on the operating system of the virtual machine. –  PilotBob Sep 30 '09 at 14:52

Have a look at this blog post from the virtual pc guy: http://blogs.msdn.com/b/virtual_pc_guy/archive/2011/01/10/turning-off-a-virtual-machine.aspx

When you select to “turn off” a virtual machine – you are actually getting an “old school” “cut the power” kind of turn off.

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