The Microsoft Windows NT 4.0 and Windows 98 Threat Mitigation Guide

This guide provides technical information about how to harden networks that include Windows 98-based computers and Windows NT 4.0-based computers in Active Directory directory service environments. It includes tools and templates to help configure port filters and IP tuning parameters.
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      This guide describes how to harden computers that run earlier versions of the Windows operating system. It is appropriate for organizations that have various combinations of computers that run Windows NT 4.0 (Workstation, Server, and Advanced Server) and Windows 98, with or without later versions of Windows clients or servers. This guidance uses a fictitious company scenario (Trey Research) to illustrate how to assess security risks and vulnerabilities in a network infrastructure. It focuses on protective measures you can apply to Windows NT 4.0 and Windows 98 client computers and Windows NT 4.0 servers to improve their security in Active Directory environments. Send questions or feedback to us directly at

      Note: This is archived content. No warranty is made as to technical accuracy. Content may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist.
  • Supported Operating System

    Windows 2000, Windows 2000 Service Pack 2, Windows 2000 Service Pack 3, Windows 2000 Service Pack 4, Windows 95, Windows 98, Windows 98 Second Edition, Windows ME, Windows NT, Windows Server 2003, Windows XP

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