Hyper-V cannot be installed: A hypervisor is already running error solution step by step
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In this video am going to demonstrate how to resolve the error message that is hyper-v cannot be installed
when you try to run the hyper-v role in windows server 2012R2 server in vmware you may come across this error
please use the following steps to reslove the error
hypervisor.cpuid.v0 = “FALSE”
This option tricks the Windows
Server 2012 into “thinking” it is not running in a virtualized instance
mce.enable = “TRUE”
This option enables Machine Check Exception (MCE), which enable the Windows Server 2012 VM to report CPU hardware issues
vhv.enable = “TRUE”
This option enables nested virtualization