Operating System: Windows Server 2008 x86

Version
Supported Virtual Processors

Standard
1 or 2

Enterprise
1, 2 or 4

Datacenter
1, 2 or 4

Web
1 or 2

Standard without Hyper-V
1 or 2

Enterprise without Hyper-V
1, 2 or 4

Datacenter without Hyper-V
1, 2 or 4