How to run Windows Server 2012 Hyper-V on VMware Workstation

I recently needed to create a new virtual machine, however with this virtual machine I needed to demo Windows Server 2012 with Hyper-V enabled. Since I run VMware Workstation as my hypervisor on my laptop, I needed to run a hypervisor within a hypervisor.

Installing Windows Server 2012 was no problem, however when I tried to add the Hyper-V server role I received an error

Check Hyper-V and click next

I then click Add Feature and…..

This is where things failed. Hyper-V cannot be installed: A hypervisor is already running.

By default, you cannot install a hypervisor under another hypervisor. However there is a work around. First you to power down your VM and edit the .vmx file for that VM. You will need to add a two lines of code, save the file and then startup the VM.

hypervisor.cpuid.v0 = “FALSE”
mce.enable = “TRUE”


Once I edited the VM and restarted and tried to add the Hyper-V role, I received another error regarding my CPU type. Hyper-V cannot be installed: The processor does not have required virtualization capabilities.


To correct this I needed to again power down the VM and edit the virtual machine settings, specifically, the processor values.


Once I change the preferred mode to “Intel VT-x/EPT or AMD-V/RVI” and checked the box for “Virtualize Intel VT-x/EPT or AMD-V/RVI” I was able to successfully add the Hyper-V role to my VM and start provisioning additional VM’s under Hyper-V.


If you experience any of these issues then I hope this post solves your issues like it did mine.

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