HFNetChk is a command-line tool that enables an administrator to check the patch status of Windows NT 4.0, Windows 2000, and Windows XP machines. HFNetChk will scan either the local system or remote ones for patches available for the following products: Windows NT 4.0, Windows 2000, Windows XP, IIS 4.0 and 5.0, SQL Server 7.0 and 2000 (including Microsoft Data Engine), and IE 5.01 and later.

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