When installing a HP Branded Windows 2012 R2 ROK on VMware ESXi 5.5 this message appears:

Failed Bios Lock when installing Windows 2012 ROK on VMware









The cause of this issue  is that the Windows server does not recognize the ‘hardware’ as a HP Proliant server, licensing will not succeed because a Windows ROK license (Reseller Option Kit) is used.

There is a simple solution. A parameter can be added so that the virtual machines ‘think’ that they are running on real HP hardware. After creating the virtual machine:

  • Stop the virtual machine
  • Go to Edit Settings / Options / General and select “Configuration Parameters”



  • Add a row, paste “smbios.reflecthost” as the name, and true as the value

VMware issue