New Features in Windows Server 2008
1. 64-bit only—Windows Server 2008 R2 marks the first time that the Windows Server OS will be 64-bit only, meaning that Server 2008 R2 must run on x64-compatible hardware.
2. Support for 256 cores—Improved scalability is another important feature in Server 2008 R2, which will be able to utilize up to 256 cores.
3. Core Parking—Windows Server 2008 R2's new Core Parking functionality enables improved power management. Core Parking lets the OS suspend cores that aren't in use,
4. Remote Desktop Services—Another change in Windows Server 2008 R2 is the rebranding of Terminal Services to Remote Desktop Services. However, the changes aren't in name alone. The new Remote Desktop Services includes support for the Aero Glass interface, multiple monitors, and DirectX 11, 10 and 9.
5. New Hyper-V—A new Hyper-V release is included in Server 2008 R2. A prerelease version of Hyper-V was shipped with the original Windows Server 2008. R2 includes the latest version of Hyper-V. In this version, VMs are able to address up to 32 cores per VM, and the use of TCP Offload and Jumbo Frames provides improved networking performance. One of the biggest improvements in Hyper-V is support for the next item.
6. Live Migration—probably one of the most anticipated features in R2, Live Migration improves VM availability by letting you move Hyper-V VMs between hosts with no downtime.
7. Support for the .NET Framework in Server Core—One of the biggest disappointments in the original Server 2008 release was the lack of support for the .NET Framework in Server Core, which meant that technologies that seemed perfect for Server Core,
8. Power Shell 2.0—Server 2008 R2 includes Power Shell 2.0, which features improved WMI cmdlets and support for running scripts on remote systems,
9. Remote server management—Server Manager was one of the best improvements in Server 2008 because it provides a centralized and useful console for managing Windows Server.
10. Active Directory Administrative Center—For administrators, the biggest change in Server 2008 R2 is undoubtedly the new Active Directory Administrative Center, which replaces the older Active Directory,
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