I have installed Windows Server 2008R2 and now trying to install multiple Windows Server 2008R2 as guest. My CPU is
Intel Core 2 Quad Q8400 @ 2.66GHz on
Asus P5P41T-LE mainboard. First I have to tell there is no place in BIOS to enable Intel VT-x. Intel web site says this CPU supports VT-x. When installing guests, VirtualBox says:
attempting to load a 64-bit application however this cpu is not compatible with 64-bit mode
But Hyper-V can load 64 bit guest with no problem. I have tested my CPU with Securable tool. It says my CPU does not support VT-x. The question is WTF is happening? Are there two editions of Q8400 with/without VT-x?