Updated: July 9, 2020 (February 7, 2005)

Past Windows Server Versions

As managing vice president, Rob Helm covers Microsoft collaboration services and client software. His 25-plus years of experience analyzing Microsoft’s... more

Windows 2000 Server and Windows Server 2003 are the only fully supported versions of Microsoft’s server OSs as of Feb. 2005. Extended support for Windows NT 4.0 Server ended Dec. 31, 2004, and support other than security-related hotfixes requires a custom support contract. No further service packs are planned for Windows 2000 before it leaves Mainstream support, but an update rollup package of high-priority bug fixes is planned for early 2005. Microsoft products are normally supported only with the most recent service pack, so customers will have to move to SP4 to get support for Windows 2000.

The Mainstream and Extended support dates for Windows Server 2003 depend on the actual availability date for Windows Longhorn Server, currently scheduled for 2007.

Product	Current Service Pack	Mainstream Support Ends	Extended Support Ends	Release History
Windows NT 4.0 Server	SP6a; Nov. 30, 1999	Dec. 31, 2002	Dec. 31, 2004	Released: July 1996

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