On June 30, microsoft will stop providing free support for Windows NT 4.0 Workstation, ending a program that for the past eight years has given customers a steady flow of software fixes and other improvements. Six months from now, Microsoft's standard, no-cost support for Windows NT 4.0 Server dries up, too. Many businesses are scrambling to replace the operating system, but not everyone's going to make it. Introduced in 1996, Windows NT 4.0 still runs on millions of PCs and servers. The installed base is so large that market research firm IDC estimates that 17% of all Windows servers in use at the end of this year will still be powered by Windows NT 4.0. "These systems are hanging around longer than we expected," says Al Gillen, an analyst at IDC.
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机译：6月30日，Microsoft将停止为Windows NT 4.0 Workstation提供免费支持，从而结束了该程序，该程序在过去八年中为客户提供了稳定的软件修复和其他改进。从现在开始的六个月后，Microsoft对Windows NT 4.0 Server的标准免费支持也枯竭了。许多企业都在争先恐后地更换操作系统，但并不是每个人都愿意这样做。 Windows NT 4.0于1996年推出，至今仍可在数百万台PC和服务器上运行。已安装的用户如此庞大，以至于市场研究公司IDC估计，到今年年底使用的所有Windows服务器中，仍有17％仍将由Windows NT 4.0提供支持。 IDC分析师Al Gillen说：“这些系统的运行时间比我们预期的更长。”
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