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Posted: May 24, 2004
Windows 2000 and Windows XP are the only fully supported Windows client
OSs as of June 2004.
All support for Windows NT 4.0 Workstation ends June 30, 2004, and only
security-related hotfixes are available in the meantime.
The extended support phase for Windows 98, Windows 98 Second Edition,
and Windows Me ends June 30, 2006. This is a major extension of time for these products:
Windows 98 was scheduled to exit the extended support phase on Jan. 16, 2004, and the
other two versions were due to leave the extended support phase Dec. 31, 2004.
Microsoft products are normally supported only with the most recent service pack,
but customers receive one year, and sometimes two years, to migrate to that service
pack. This means, for example, that Windows 2000 Professional with Service Pack 3 will
be supported until June 26, 2004.
Windows XP Mainstream support, originally scheduled to end fairly close to the release
date of Longhorn, will now end two years after that release date.
| Product |
Current
Service Pack |
Mainstream
Support Ends |
Extended
Support Ends |
Release
History |
| Windows NT 4.0 Workstation |
SP6a; Nov. 30, 1999 |
June 30, 2002 |
June 30, 2003 |
Released: July 1996 SP1:
Sept. 1996
SP2: Dec. 1996
SP3: Apr. 1997
SP4: Oct. 1998
SP5: May 1999 |
| Windows 2000 Professional |
SP4; June 26, 2003 |
Mar. 31, 2005 |
Mar. 31, 2010 |
Released: Mar. 2000 SP1:
July 2000
SP2: May 2001
SP3: Aug. 2002 |
| Windows XP Professional |
SP1a; Sept. 4, 2002 SP2
in beta (anticipated mid-2004) |
Dec. 31, 2008 (subject to Longhorn release in 2006) |
Dec. 31, 2013 (five years after end of Mainstream support) |
Released: Sept. 2001 |
| Windows XP Tablet PC Edition |
SP1a; Sept. 4, 2002 |
Dec. 31, 2006 |
Dec. 31, 2011 |
Released: Feb. 2003 |
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