Microsoft Windows Server, Standard Edition, service pack 2.
 
 

Hardware and Software requirements for Exact Globe product update and

 
The maximum memory that 32 bit of Windows Server with Service Pack 2 (SP2) Standard Edition support is 4 GB if you have PAE enabled. Your processor must run on at least a replace.me post gives you how to download Windows Server R2 ISO bit and install it on VirtualBox or a replace.mes.