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Introduction to Windows Server 2008 R2


Windows Server 2008 R2 (broadly available on October 22nd) builds on the award-winning foundation of Windows Server 2008, expanding existing technology and adding new features to enable organizations to increase the reliability and flexibility of their server infrastructures. New virtualization tools, Web resources, management enhancements, and exciting Windows 7 integration help save time, reduce costs, and provide a platform for a dynamic and efficiently managed data center. Powerful tools such as Internet Information Services (IIS) version 7.5, updated Server Manager and Hyper-V platforms and Windows PowerShell version 2.0 combine to give customers greater control, increased efficiency and the ability to react to front-line business needs faster than ever before.

Learn how the specific scenarios, enhancements, and features can help you.

Improving the Web Application Platform

Windows Server 2008 R2 includes many enhancements that make this release the most robust Windows Server Web application platform yet. It offers an updated Web server role, Internet Information Services (IIS) 7.5, and greater support for .NET on Server Core. Design goals for IIS 7.5 concentrated on improvements that enable Web administrators to more easily deploy and manage Web applications, that increase both reliability and scalability. Additionally, IIS 7.5 has streamlined management capabilities and provides more ways to customize your Web serving environment.

Improvements to IIS and the Windows Web platform, which are included in Windows Server 2008 R2, include reduced effort to administer and support Web-based applications, enhanced security for Web-based applications, improved file-transfer services, the ability to extend the functionality and features for Web-based applications, and improved availability and performance for Web-based applications and services.

Enabling Server and Desktop Virtualization

Virtualization is a major part of today’s data centers. The operating efficiencies offered by virtualization allow organizations to dramatically reduce operational effort and power consumption. Windows Server 2008 R2 provides the following virtualization types: Client and Server virtualization provided by Hyper-V and Presentation virtualization with Remote Desktop Services. Hyper-V virtualizes the system resources of a physical computer allowing you to provide a virtualized environment for operating systems and applications. Remote Desktop Services (formally known as Terminal Services) virtualizes a processing environment and isolates the processing from the graphics and I/O, making it possible to run an application in one location but have it be controlled in another. Presentation virtualization allows users to run a single application, or a complete desktop offering multiple applications.

Improving Power Management and Streamlining Management

The ongoing management of servers in the data center is one of the most time-consuming tasks facing IT professionals today. Any management strategy you deploy must support the management of both your physical and virtual environments. To help with this problem, Windows Server 2008 R2 has new features to reduce the ongoing management of Windows Server 2008 R2 and to reduce the administrative effort for common day-to-day operational tasks. And these administrative tasks can be performed on the server or remotely.

With the proliferation of physical computers in data centers, power consumption is of paramount importance. In addition to the cost-saving associated with reducing power consumption, many data centers are constrained by the number of computers they can support in their data center by the actual power available to the data center. Therefore reducing your power consumption also allows you to support more physical computers while using the same amount of power, or less power, than before.

Scalability and Reliability

Windows Server 2008 R2 is capable of unprecedented workload size, dynamic scalability, and across-the-board availability and reliability. A host of new and updated features will be available, including leveraging sophisticated CPU architectures, increased operating system componentization, and improved performance and scalability for applications and services.

Windows Server 2008 R2 is the first Windows operating system to be offered for only 64-bit processors. And Windows Server 2008 R2 can now support up to 256 logical processor cores for a single operating system instance, including enhancements in Hyper-V virtual machines which are able to address up to 32 logical cores in a single VM. These improvements not only guarantee more bang for your server hardware buck, but also offer better reliability with fewer locks and greater parallelism.

Making the Experience Better Together with Windows 7

Windows Server 2008 R2 has many features that are designed to specifically work with client computers running Windows 7, including simplifying remote connectivity for corporate computers by using the DirectAccess feature, Secured remote connectivity for private and public computers by using a combination of the Remote Workspace, Presentation Virtualization, and Remote Desktop Services Gateway features, and Improved performance for branch offices by using the BranchCache feature.

Windows Server 2008 R2 Licensing

Upon the release of Windows Server 2008 R2 there will be no change in the current Client Access License (CAL) model Windows Server 2008 provides. All existing Windows Server 2008 CALs can be used to access Windows Server 2008 R2.

This includes the updated Client Access License (CAL) requirements for Windows Server 2008 running as a host OS in certain virtualization scenarios. When running legacy versions of Windows Server in virtual machines, Windows Server 2008 CALs will not be required in certain scenarios.


Want to get the jump on Windows Server 2008 R2?  Get an overview of the official Pre-Beta Reviewers guide, Top 10 reasons to upgrade and to make management easier, and more than 20 Windows Server 2008 R2 presentations here.