Windows Server 2008 R2

Windows Server 2008 R2
Version of Microsoft Windows
OS familyWindows NT
CodenameWindows Server 7
Preliminary name
Architecturex64, IA-64
Latest build6.1.7601.17514.win7sp1_rtm.101119-1850 (Service Pack 1)
Release date2009-10-22
Support end2020-01-14
2023-01-10 (with Extended Security Updates)
Client counterpart
Windows 7
Windows Server 2008
Replaced by
Windows Server 2012

Windows Server 2008 R2 is the server counterpart of Windows 7, which reached RTM on 22 July 2009 and was released on 22 October of that year, becoming the first server release to ship day-and-date with the client counterpart since Windows 2000 Server. This release drops support for the x86 architecture. It was also the last version of Windows Server to ship with the IA-64 architecture and to receive a Service Pack from Microsoft.

This is the last version of Windows Server to support processors without PAE, SSE2 and NX.

It replaces Windows Server 2008 and was replaced by Windows Server 2012.

List of known builds[edit | edit source]

Milestone 1[edit | edit source]

Milestone 2[edit | edit source]

Milestone 3[edit | edit source]

Beta[edit | edit source]

Release Candidate[edit | edit source]

Pre-RTM[edit | edit source]

RTM Escrow[edit | edit source]

RTM[edit | edit source]

Service Pack 1 Beta[edit | edit source]

Service Pack 1[edit | edit source]