Microsoft Internet Security and Acceleration (ISA) Server 2000 Cumulative Security Update

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This update includes ISA Server 2000 security enhancements, and addresses a regression of the hotfix described in Knowledge Base article 821724 (and included in ISA Server Service Pack 2), which was caused by the update in Microsoft Security Bulletin MS04-039.
  • Version:


    File Name:


    Date Published:


    File Size:

    665 KB

    Security bulletins:MS04-039

      This update fixes the following issues:

      • Article 821724: Basic Credentials May be Sent over an External HTTP Connection When SSL is Required

      • Article 897177: ISA Server 2000 Incorrectly Allows NetBIOS Traffic from all External IP Addresses after you Configure a Packet Filter to Allow “NetBIOS (All)” Traffic from a Particular External IP Address
  • Supported Operating System

    Windows 2000 Server, Windows Server 2003

      This issue affects the following products:

      • ISA Server 2000 Standard Edition
      • ISA Server 2000 Enterprise Edition
    • 1. Download the file by clicking the Download link on this page to start the download, or choose a different language from the drop-down list and click Go.

      2. Do one of the following:

      • To start the installation immediately, click Open or Run this program from its current location.
      • To copy the download to your computer for installation at a later time, click Save, or Save this program to disk.

      Installation requirements:

      • ISA Server 2000 Service Pack 2 should be installed before installing this update. If ISA Server is installed on a computer running Windows 2000 Server, you must install Windows 2000 Server Service Pack 4 before installing Service Pack 2.

      • After installing this update you will be prompted to restart ISA Server services. We recommend that you physically disconnect the ISA Server computer from untrusted networks before installation.