Windows Server 2008

Windows Server 2008 is an operating system developed by Microsoft, and was released to manufacturing on February 27, 2008. It is the server version of Windows Vista Service Pack 1.

Builds
Note: The first four builds used pre-reset code (see Windows Longhorn)

Milestone 5

 * 6.0.4028.Lab01_N.030701-2000

Milestone 6

 * 6.0.4031.0.Lab07_N.030707-1737
 * 6.0.4038.0.main.030813-1852

Milestone 7

 * 6.0.4066.main.040226-1010

Pre-Beta

 * 6.0.5077.vbl_core_setup.050530-1400
 * 6.0.5085.vbl_srv.050610-2000

Beta 1

 * 5112.0.winmain_beta1.050720-1600
 * 5219.0.winmain_idx02.050830-2010
 * 5259.winmain_idx02.051113-2100
 * 5270.9.winmain_idx03.051214-1910 - December 2005 CTP

Beta 2

 * 5308.17.winmain_idx01.060217-2200 - February 2006 CTP (1)
 * 5308.60.winmain_idx01.060223-2145 - February 2006 CTP (2)
 * 5381.winmain_beta2.060501-1900
 * 5384.4.winmain_beta2.060518-1455
 * 5600.16384.vista_rc1.060829-2230 - August 2006 CTP
 * 5728.16387.winmain_idx06.060917-1430
 * 5744.16384.vista_rtm_edw.061003-1945
 * 5757.1.winmain.061010-1900

Beta 3

 * 6001.16406.longhorn_idx01.061208-1900 - December 2006 CTP
 * 6001.16461.longhorn_idx02.070209-1510 - February 2007 CTP
 * 6001.16497.longhorn_beta3.070330-1720 - April 2007 CTP
 * 6001.16510.longhorn_beta3.070417-1740
 * 6001.16606.longhorn.070619-1930 - June 2007 CTP

Release Candidate 0

 * 6001.16648.longhorn_rc0.070827-1405 - September 2007 CTP
 * 6001.16659.longhorn_rc0.070916-1443

Release Candidate 1

 * 6001.17042.longhorn_rc1.071107-1618
 * 6001.17051.longhorn_rc1.071121-2029

Release Candidate 2

 * 6001.17119.longhorn.071210-1916

RTM

 * 6001.18000.longhorn_rtm.080118-1840