A Step-by-Step Guide to Using Server Virtualization Software - MCTS Guide to Microsoft Windows Server 2008 Active Directory Configuration - page 580

Other features of Microsoft Virtual Server include the following:
• Virtual disks can expand dynamically
• Supports most popular x86 operating systems
• Can mount a virtual disk on a different operating system
• Enables use of Volume Shadow Copy Service (VSS) for backups (used in newer versions of
Windows operating systems, such as Windows Server 2008 and Vista)
• Offers virtual server management through the Virtual Server Web console
• Can use scripting to control virtual machine setups
• Memory access can be resized
Microsoft Virtual Server Guest Operating Systems Supported
Microsoft Virtual Server can house virtual machines for popular Windows and Linux server and
workstation operating systems. The following operating systems can be guests:
• Windows Server 2008 Standard, Enterprise, Datacenter, and Web Server (x86 and x64)
• Windows Server 2003 Standard, Enterprise, Datacenter, and Web Server SP1 or SP2 (x86
or x64)
• Windows Server 2003 Standard, Enterprise, Datacenter, and Web Server R2 (x86 or x64)
• Windows Small Business Server 2003 (Standard and Premium Editions)
• Windows 2000 Server
• Windows XP Professional SP2
• Windows Vista Business, Ultimate, and Enterprise
• Red Hat Enterprise Linux versions 2.1 to 4.0
• SUSE Linux Enterprise Server 9.0
• SUSE Linux versions 9.2 to 10.0
Other operating systems can also run experimentally in Microsoft Virtual
Server.
Microsoft Virtual Server Host Operating Systems Supported
Microsoft Virtual Server can be installed on the following Windows host operating systems:
• Windows Server 2008 Standard and Enterprise (x86 or x64)
• Windows Server 2003 Standard, Enterprise, and Web Server with SP1 or SP2 (x86 or x64)
• Windows Server 2003 Standard, Enterprise, and Web Server R2 (x86 or x64)
• Windows Small Business Server 2003 (Standard and Premium Editions, also R2 versions)
• Windows 2000 Server with SP3 or SP4
• Windows XP Professional (x86 and x64)
• Windows Vista Business, Ultimate, and Enterprise Editions
Requirements for Microsoft Virtual Server
The hardware requirements for Microsoft Virtual Server 2005 R2 with SP1 are as follows:
• CPU —Intel Celeron, Pentium III, Pentium 4, Xeon, or AMD Opteron, Athlon, Athlon 64,
Althon X2, Duron, or Sempron (550 MHz or faster; x86 or x64).
• RAM —Enough RAM to match at least the minimum requirements of the total number
of operating systems you will be running. For example, if you are running Windows XP