Table 2-1 summarizes the basic features found in Windows Server 2008 Hyper-V editions and Hyper-V Server 2008. Hyper-V VMs support both 32-bit and 64-bit guest operating systems and the allocation of up to four virtual processors and 64 gigabytes (GB) of memory for Hyper-V servers running on Windows Server 2008 Enterprise or Datacenter edition. In its original release, Hyper-V supported 16 processor cores and 128 virtual machines. However, a subsequent update (KB956710) increased Hyper-V support to 24 logical processors and a maximum of 192 concurrent virtual machines.
Table 2-1. Hyper-V Basic Features Comparison
Microsoft Hyper-V Server 2008
Windows Server 2008 Standard
Windows Server 2008 Enterprise
Windows Server 2008 ...