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I was using BB10 simulator on windows 8 but last night I installed windows Phone 8 development environment and it also installed Hyper-V (or activated it). Now I am unable to run BB10 simulator in VMWare Player. Wondering how I can run them both at the same time or both on the same machine?

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running 2 hypervisor the same time is often an issue. You should only use one. I prefer VMware over Hyper-V. – magicandre1981 Dec 16 '12 at 8:25
@magicandre1981, Why VMware? – Pacerier Feb 4 '15 at 21:33
@Pacerier because Hyper-V has a terrible Guest VGA performance. With VMware you have 3D acceleration and Aero Glass in VMs and you can also play older games. This is impossible with this ugly Hyper-V crap. – magicandre1981 Feb 5 '15 at 5:56
up vote 49 down vote accepted

I have got a solution. This method will allow me use one technology at a time (which is my current requirement)

You can disable Hyper-V without uninstalling it. Start a command prompt with administrator rights and execute the following command:

// to disable hyper-v
bcdedit /set hypervisorlaunchtype off

// to enable hyper-v
bcdedit /set hypervisorlaunchtype auto

Both Operations require restarting your computer.


Note: I also found this very helpful when using intel x86 android emulator because without this, it was not possible to use it.

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Better yet: You can create two boot entries so you won’t have to edit the boot configuration every time. – Daniel B Aug 28 '15 at 8:03
@DanielB - Please share how you can create two boot entries. – itsaboutcode Sep 2 '15 at 7:05

An alternative solution that worked for me, using the UI rather than the command prompt:

  1. Search for and open the "Turn Windows features on or off" window.
  2. Toggle the checkbox next to "Hyper-V".
  3. Restart.

Both caveats still apply here: Only one technology can be used at a time, and a Windows restart is required to switch between them.

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