vboxmanage showvminfo Win7x64VM | grep UUID

UUID: 128d891a-be8b-4c03-ba53-9acf1940a6c1
Hardware UUID: 128d891a-be8b-4c03-ba53-9acf1940a6c1

vboxmanage modifyvm “Win7x64VM Clone” –hardwareuuid “{128d891a-be8b-4c03-ba53-9acf1940a6c1}”

# create raw device mapping
vmkfstools -z /vmfs/devices/disks/t10.ATA_____Hitachi_HTS542580K9SA00_________________080119BB0B10WFGP26KA disk.vmdk

To run HyperV in ESXi modify the vmx file of the HyperV guest vm:

vhv.enable = "TRUE"
hypervisor.cpuid.v0 = "FALSE"

To allow network communication from VMs on the HyperV over the HyperV virtual switches to the ESXi network the “Promiscuous Mode” of the ESXi network switch has to be set to “Accept” – ESXi-Host => configuration => networking => select vSwitch<X> => properties => select vSwitch => Edit => Security => Policy Exceptions => Promiscuous Mode => Accept