Milestone 1 / 2 - unconfirmed builds
NOTE: Many sources claim that M1 and M2 were only planing phases of Longhorn, and the first confirmed compiled build was M3's 3663.
Longhorn Build 3551.Lab01_N(storbuild).010917-1031
Longhorn Build 3555.Lab01_N(storbuild).010925-0806
Longhorn Build 3557.Lab06_DEV(lamadio).010927-0921
Longhorn Build 3561.Lab01_N(storbuild).011003-1326
Longhorn Build 3562.Lab03_N.011002-1958
Longhorn Build 3589.Lab01_N(johnstra).011110-2230
Longhorn Build 3590.Lab01_N.011118-2000
Longhorn Build 3593.Lab01_N(daved).011129-1917
Longhorn Build 3595.Lab01_N.011203-0927
Longhorn Build 3599.Lab02_N(ntvbl02).020107-1351
Longhorn Build 3609.Lab01_N.020211-2000
Longhorn Build 3630.Lab03_dev(yasuho)
Longhorn Build 3631.Lab03_dev(skatari).020509-1043
Longhorn Build 3635.Lab01_N.020517-1743
Longhorn Build 3637.Lab01_N.020522-2000
Longhorn Build 3646.Lab01_N(portbld).020612-1346
Longhorn Build 3661.Lab01_N(ianserv).020709-0927
Longhorn Build 3663.Lab01_N.020724-2000
Milestone 3
Longhorn Build 3663.Lab06_N.020728-1728
Longhorn Build 3670.Lab06_N.020819-1749
Longhorn Build 3680.Lab03_dev(skatari).020509-1043
Longhorn Build 3683.Lab06_N.020923-1821
Longhorn Build 3706.Lab06_N.021029-1731
Longhorn Build 3708.Lab06_N.021108-1847
Longhorn Build 3713.Lab06_N.021113-1841
Longhorn Build 3718.lab06_N.021119-1730
Longhorn Build 3728.dnsrv_dev(sergueik)
Longhorn Build 3750.private_lab06_dev_ux(thomasj).021128-1402
Milestone 4
Longhorn Build 4001.main.021204-1515
Longhorn Build 4002.Lab04_N(yongqu).021218-1747
Longhorn Build 4002.Lab06_N(ntvbl06).030108-1926
Longhorn Build 4003.Lab01_N(forrestf).030116-1035
Longhorn Build 4006.Lab01_N.030209-2000
Longhorn Build 4006.main.030203-1038
Longhorn Build 4007.main.030212-2037
Longhorn Build 4007.main.030214-????
Longhorn Build 4007.main.030219-1933
Longhorn Build 4008.Lab01_N(briangu).030220-0837
Longhorn Build 4008.main.030219-1933
Longhorn Build 4011.main.030305-2045
Longhorn Build 4014.Lab01_N.030325-2000 (note: might be just a typo)
Longhorn Build 4014.Lab01_N.030326-2000
Milestone 5
Longhorn Build 4015.main.030328-1500
Longhorn Build 4015.Lab06_n.030403-1706
Longhorn Build 4018.Lab06_n.030417-1721
Longhorn Build 4019.lab01_N.030428-2000
Longhorn Build 4021.main.030415-0745
Longhorn Build 4023.Lab06_N(dandinu)
Longhorn Build 4028.Lab01_N.030701-2000
Longhorn Build 4029.main.030619-0000
Milestone 6
Longhorn Build 4030.Lab06_n.030630-1724
Longhorn Build 4032.Lab06_n.030710-1709
Longhorn Build 4032.LAB01_N(skupec)
Longhorn Build 4033.main.030717-1555
Longhorn Build 4033.idx01.030730-1630
Longhorn Build 4034.private/Lab06_dev(skatari)
Longhorn Build 4034.private/setupvbl(matblock)
Longhorn Build 4036.Lab01.030729-0100
Longhorn Build 4038.Lab01_N(bryant).030803-2000
Longhorn Build 4038.main.030813-1852
Longhorn Build 4039.Lab06_n.030827-1717
Longhorn Build 4039.Lab06_n.030828-1802
Longhorn Build 4039.lab04_n(ahmeti)
Longhorn Build 4039.private/Lab06_dev(skatari)
Longhorn Build 4040.Lab04_N.030828-1910
Longhorn Build 4041.Lab06_n.030829-1500
Longhorn Build 4042.main.030905-1800
Milestone 7
Longhorn Build 4042.Lab06_n.030909-1709
Longhorn Build 4044.Lab06_n.030915-1925
Longhorn Build 4048.lab02.030923-1849
Longhorn Build 4050.idx02.030928-0552
Longhorn Build 4050.private/lab06_demo.031013-1849
Longhorn Build 4050.private/lab06_demo.031018-2015
Longhorn Build 4050.private/lab06_demo.031019-1809
Longhorn Build 4050.private/Lab06_dev(yasuho)
Longhorn Build 4051.idx02.031001-1340
Longhorn Build 4053.main.031022-1720
Longhorn Build 4053.lab01_fusion(jaykrell).031029-2141
Longhorn Build 4054.private/lab06_dev_ux(reinerf).031104-1800
Longhorn Build 4057.private/lab06_dev_ux.031107-1900
Longhorn Build 4058.lab06_n.03118-1808
Longhorn Build 4059.main.031208-1842
Longhorn Build 4060.private/Lab06_dev(skatari)
Longhorn Build 4060.Lab04_dev(yongqu).040113-1005
Longhorn Build 4061.Lab01_N.040125-2000
Longhorn Build 4061.Lab01_N(skupec)
Longhorn Build 4066.main.040226-1010
Longhorn Build 4067.private/lddm_dev_tech(devdmo).040212-1646
Longhorn Build 4067.Lab06_n.040307-1603
Longhorn Build 4067.lab01_fusion.040316-2000
Longhorn Build 4068.lab07_n(skatari)
Longhorn Build 4069.Lab06
Longhorn Build 4071.private/Snap_dev_ux(ntvbl06).040420-1521
Longhorn Build 4071.private/Snap_dev_ux(ntvbl06).040426-1627
Longhorn Build 4072.Lab06_n.040201-1902
Longhorn Build 4073.idx02.040420-1832
Longhorn Build 4074.idx02.040425-1535
Longhorn Build 4080.Lab06_n.040429-1614
Longhorn Build 4080.Lab06_n.040502-1523
Longhorn Build 4081.main.040503-1625
Longhorn Build 4083.main.040516-1537
Longhorn Build 4083.Lab06_n.040519-1614
Longhorn Build 4084.main.040527-0915
Longhorn Build 4085.private/Lab06_dev_tech(skatari).040430-0928
Longhorn Build 4085.main.040603-1817
Longhorn Build 4085.Lab07.040609-2350
Longhorn Build 4086.main.040615-1745
Longhorn Build 4086.lab03_dev.040629-1910
Longhorn Build 4086.lab01_n.040704-2000
Longhorn Build 4087.main.040626-0846
Longhorn Build 4088.Lab07_N.040705-1625
Longhorn Build 4088.Lab02_N.040706-1655
Longhorn Build 4088.main(cjensen).040708-1751
Longhorn Build 4089.private_lab06_dev_ux.040721-1800
Longhorn Build 4093.Lab03_dev(a-micnaz).040714-1853
Longhorn Build 4093.main.040819-1215
Longhorn Build 4093.private/wcp_dev_platform(danmohr).041116-2208
Longhorn Build 4094.private/Lab06_dev_platform(snaptab).041124-0021
Longhorn Build 4094.private/Lab06_dev_tech(skatari)