virtualbox.org

Apologies if this question has been raised elsewhere.

One of my users is running Windows 7 Professional on a Quad Core Lenovo Thinkpad.

I have setup VB (4.0.8 r71778) and a Windows 7 Ent (32bit) guest.

Ideally I would like the guest machine to utilise more than one of the cores of the CPU, but everytime I specifiy 2 the guest fails to start.

Am I missing out on a step, could someone assist.

Thanks in advance.

To do this you would need to make sure that VT-x/AMD-v was enabled in BIOS and in the guest settings as well as IO APIC. Windows usually does not like this kind of change though and may require that you install with these features on so it gets created with the multi processor kernel and associated files.

Cheers for the quick response....I'll give that a try