Requires hardware that supports hot add CPU.

Requires the 64-bit edition of Windows Server 2008 Datacenter or the Windows Server 2008 Enterprise Edition for Itanium-Based Systems operating system.

Requires the Enterprise Edition of SQL Server.

http://msdn2.microsoft.com/en-us/library/bb964703(SQL.100).aspx

I do yhink that one option listed

Windows Server 2008 Enterprise Edition X64 and not Windows Server 2008 Enterprise Edition IA64

So I think I deserve the point