Windows Server 2008 R2

Windows Server 2008 R2

Version of Microsoft Windows
OS family	Windows NT
Version	6.1
Codename	Windows Server 7
Preliminary name
Architecture	x64, IA-64
Latest build	6.1.7601.17514.win7sp1_rtm.101119-1850 (SP1)
Release date	2009-07-22
Support end	2020-01-14
Client counterpart
Windows 7
Replaces
Windows Server 2008
Replaced by
Windows Server 2012

Windows Server 2008 R2 is the server counterpart of Windows 7. It replaces Windows Server 2008 and was replaced by Windows Server 2012. It reached RTM on 22 July 2009 and drops support for the x86 architecture. It was also the last version of Windows Server to ship with the IA-64 architecture and that received a Service Pack from Microsoft.

List of known builds

Milestone 1

6400.16510

Milestone 2

6608.winmain_win7m2.080511-1400

Milestone 3

6801.winmain_win7m3.080913-2030

Beta

6920.fbl_dgt_dev2.081006-1730

7000.winmain_win7beta.081212-1400

Release Candidate

7028.fbl_srv_cluster.090125-1930

7100.winmain_win7rc.090421-1700

Pre-RTM

7127.winmain.090507-1820

7137.winmain.090521-1745

7138.0.winmain_win7ids_sp.090523-2200

7201.winmain_win7ids.090601-1516

7201.winmain_win7ids_sp.090602-2030

7229.winmain.090604-1901

RTM Escrow

7260.win7_rtm.090612-2110

7268.win7_rtm.090701-1900

7600.16384.win7_rtm.090710-1945

RTM

7600.16385.win7_rtm.090713-1255

Service Pack 1 Beta

7601.16537.win7.100327-0053

7601.16556.win7sp1_beta.100421-1510

7601.16562.win7sp1_beta.100603-1800

7601.17105.win7sp1_rc.100929-1730

7601.17125.win7.101029-1605

Service Pack 1

7601.17514.win7sp1_rtm.101119-1850