Hyper-V R2: Changes for "no hypervisor" booting

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In the past I have talked about how to create a "no hypervisor" boot option using BCDedit.  One of the first questions I got was whether this would allow you to use sleep / hibernate - and the answer was "no".

Well, with Windows Server 2008 R2 the answer is now "yes".

So what does this mean?  If you follow the directions in the original post you can have two boot options on your computer.  One will allow you to boot Windows Server 2008 R2 with the hypervisor enabled (but no ability to sleep or hibernate the laptop), the other will allow you to boot Windows Server 2008 R2 without the hypervisor enabled (but you will be able to sleep / hibernate).

This means that if you want to run Hyper-V on a laptop (not a recommended configuration - but we accept that many of you do this) you can set it up to sleep / hibernate while you are on the road / going from meeting to meeting - and still get full access to Hyper-V when you have wired power handy.



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  • This is great new Ben!

    Finally can people use the same laptop for Hyper-V demonstrations without forcing the host to be a VM when their not using the hypervisor.

  • *news

    Ben is still the same old version 1.0 :p

  • How is bitlocker handled in this situation? If I try to boot into "no hypervisor" boot option, bitlocker asks for my key.


  • Sure would be nice to be able to do stuff inside an OS to start/stop the hypervisor rather than needing to re-boot.

  • And what about servers when the UPS power goes off?  How does the server hibernate and keep all the data in memory safe?

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Hyper-V R2: Changes for "no hypervisor" booting