On a HP XW6600, you can run ESXi 4 or run ESXi 5, but in yourder to run x64 guest VMs, you need to enable Intel VT in the BIOS first.
So, in the HP XW6600 BIOS, the choose the menu “Security”, then the submenu “OS Security” to get at these two options:
- Intel Virtualization Technology (VTx)—Enables or disables Intel Virtualization Technology to increase workstation performance.
- Intel IO Virtualization—Enables or disables Virtualization Technology to increase workstation I/O performance.
When you enable both VT options, then VMware ESX/ESXi/vSphere can run x64 guests with full VT support (otherwise you will get a friendly warning message when you try to setup or run such a guest VM). Read the rest of this entry »





