Service Pack 2 includes the following server OS enhancements:
• Application compatibility updates
• Hyper-V as a fully integrated feature of Windows Server 2008
• Improved power management policy that is up to 10% more efficient than the original in certain
configurations including the ability to manage these settings through group policy
• Improved backward compatibility for Terminal server license keys
• Setup and deployment improvements
– Single installer for both Windows Vista and Windows Server 2008
– Ability to detect incompatible drivers and block service pack installation or warn users of
potential loss of functionality
– Better error handling and descriptive error messages where possible
– Improved manageability through logging in the system event log
– Secure install experience
– Ability to service the installer post release
• Service Pack Clean-up tool (Compcln.exe), which helps restore hard disk space by permanently
deleting the previous versions of the files (RTM & SP1) that are being serviced by SP2. The tool
may also be run offline while creating slipstream images to reduce the image size.
Supported configurations
Windows Server 2008 Service Pack 2 should function properly on any server that supports Windows
Server 2008, where it should load and run on any HP server listed in “Recommended ProLiant server
platforms” section of this document when the server meets the recommended hardware configuration
established by Microsoft.
Carefully review this document for the recommended system configuration and possible issues that
might be encountered. Do not use this paper as the sole source of information. In addition to the
websites mentioned throughout this paper, visit the Microsoft Windows Server 2008 support page:
www.microsoft.com/windowsserver2008/default.mspx.
Recommended system configuration
The recommended system configurations listed in this section are established by Microsoft for
Windows Server 2008 Service Pack 2 base OS installations.
Table 1. Recommended system configuration as established by Microsoft for
Windows Server 2008 and Windows Server 2008 Service Pack 2
Component Requirement
Processor
• Minimum: 1 GHz, Itanium 1.4 GHz
• Recommended: 2 GHz, Itanium 1.6 GHz
Memory per core
• Minimum: 512 MB
• Recommended: 2 GB
• Optimal: 2 GB (Full) 1GB (Server Core)
Maximum RAM 32 bit
systems
• 4 GB (standard edition)
• 64 GB (Enterprise/Datacenter Editions)
Maximum RAM 64 bit
systems
• 32 GB (standard edition)
• 2 TB (Enterprise/Datacenter/Itanium)
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