Which you want 64-bit support software virtualization is not You must enable hardware virtualization for the particular VM for You need a 64-bit processor with hardware virtualization support (see Host operating systems, provided that the following conditions are VirtualBox supports 64-bit guest operating systems, even on 32-bit Section 3.1.2 of the VirtualBox manual explicitly states that you need hardware virtualization support to use 64-bit guest operating systems (emphasis added): If so, what do you suggest I use instead? Here's a screenshot.Ĭould this be the reason why? Does that mean that you can't emulate a 64-bit Windows guest OS at all with VirtualBox, unless your processor supports Intel virtualization technology? I understand that this technology makes things much faster, but not letting you emulate that OS at all… that's a bit extreme, no? This is what the same dialog looks like on the Core 2 Duo computer. It supports Intel virtualization technology, while the other one does not.

Now, this one runs an Intel Core 2 Quad, a higher end model. You can see those options in-between where it says 64-bit, I don't have those options on that other computer. Now, I have done the same thing and installed the same VirtualBox version on another computer, also running Windows 7 64-bit, created the VM, and then… during the VM setup process I noticed that it had additional options to choose from when I pick the guest Os. The host OS is Windows 7 64-bit on a 64-bit Intel Core 2 Duo processor. I have created the VM but it seems that it won't boot off of the 64-bit Vista ISO image. Now I'm trying to do the same with Windows Vista 64-bit and it just isn't working. I have successfully installed Windows Vista 32-bit in a VM with VirtualBox.

Virtualbox 64 bit not available amd cpu