June 30 marks the end of mainstream support for both the client and server Windows 2000 releases. A Windows 2000 rollup pack is still due by midyear. While Microsoft's Windows team is laser-focused on Longhorn, many Windows users are more concerned with older versions of Windows, for which the support-clock is ticking away.

Mainstream support from Microsoft for Windows NT 4.0 ended on December 30, and the Redmond, Wash., software maker is set to phase out mainstream support for its Windows 2000 client and server releases on June 30.

Full story: microsoftwatch.com