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Windows Server 2008 R2 is a server operating system produced by Microsoft. It was launched on October 22, 2009.[2] According to the Windows Server Team blog, the retail availability was September 14, 2009.[3] 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. 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.
[edit] HistoryMicrosoft introduced Windows Server 2008 R2 at the 2008 Professional Developers Conference as the server variant of Windows 7. On January 7, 2009, a beta release of Windows Server 2008 R2 was made available to subscribers of Microsoft's TechNet and MSDN programs, as well as those participating in the Microsoft Connect program for Windows 7. Two days later, the beta was released to the public via the Microsoft Download Center.[4] On April 30, 2009, the release candidate was made available to subscribers of Microsoft's TechNet and MSDN.[5] On May 5, 2009, the release candidate was made available to the general public via the Microsoft download center.[6] According to Windows Server Division WebLog[7], the following are the dates when Microsoft Windows Server 2008 R2 has be made available to various distribution channels:
Additionally, qualifying students have been able to download Windows Server 2008 R2 RTM Standard Edition from DreamSpark[8]. [edit] New featuresSee also: Features new to Windows 7 A reviewer guide published by the company describes several areas of improvement in version R2.[9] These include new virtualization capabilities (Live Migration, Cluster Shared Volumes using Failover Clustering and Hyper-V), reduced power consumption, a new set of management tools and new Active Directory capabilities such as a "recycle bin" for deleted AD objects. IIS 7.5 has been added to this release which also includes updated FTP server services. Security enhancements include the addition of DNSSEC support for DNS Server Service and encrypted clientless authenticated VPN services through DirectAccess for clients using Windows 7. Windows Server 2008 R2 supports up to 64 physical processors [10] or up to 256 logical processors per system.[11] When deployed in a file server role, new File Classification Infrastructure services allow files to be stored on designated servers in the enterprise based on business naming conventions, relevance to business processes and overall corporate policies.[12] The Server Core installation option has been improved to allow for the complete removal of the graphical environment from the operating system[citation needed]. Server Core will also support .NET Framework applications (including ASP.NET) and Windows PowerShell 2.0. Performance improvement was a major area of focus for this release; Microsoft has stated that work was done to decrease boot time, improve the efficiency of I/O operations while using less processing power, and generally improve the speed of storage devices, especially iSCSI. Active Directory has several new features when raising the forest and domain functional levels[13] to Windows Server 2008 R2. When raising the domain function level, two added features are Authentication Mechanism Assurance and Automatic SPN Management. When raising the forest functional level, the Active Directory recycle bin feature is available and can be enabled using the Active Directory Module for Powershell.[14] [edit] System requirementsSystem requirements for Windows Server 2008 R2 are as follows:[15]
[edit] References
[edit] External links[edit] Microsoft
[edit] Miscellanea
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