Virtual PC ondersteund maar één CPU.
Bron:"You can run Virtual PC on a multi-processor computer, but it utilizes one processor only."

Virtual Server ondersteund van 4 tot 32 CPU's.
Bron:"(The Standard Edition of Virtual Server supports up to four CPUs. The Enterprise Edition, tested here, supports up to 32.)"
Bron2:"All physical processors supported by the host operating system." Enterprise edition.

Virtual PC
Virtual Server
vmToolkit Ook de plek voor vhd tools (VMDK to VHD Converter en VHD Resizer)
Windows Server Virtualization Calculators

NDIS2 Unified DC21x4 drivers DOS drivers voor de netwerkkaart van Virtual PC (2007).