High Quality Content by WIKIPEDIA articles! Windows Server 2008 and Windows Server 2008 R2 Failover Clustering is a feature which gives high-availability to services and applications. It is Microsoft's updated High-availability cluster for Windows Server 2003 product, Microsoft Cluster Server. It has simplified deployment, configuration, management and support. Windows Server 2008 R2 is a server operating system produced by Microsoft. It was released to manufacturing on July 22, 2009., launched on October 22, 2009. According to the Windows Server Team blog, the retail availability was September 14, 2009. It is built on Windows NT 6.1, the same core operating system used with the end-user oriented Windows 7. It is the first 64-bit only operating system release from Microsoft. Windows Server 2008 R2 is an updated operating system to Windows Server 2008. Version enhancements include new functionality for Active Directory, new Virtualization and Management features, the release of IIS 7.5, and support for up to 256 logical processors.

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