Article ID: 894485
Article Last Modified on 12/4/2007
APPLIES TO
- Microsoft Internet Security and Acceleration Server 2004 Enterprise Edition
- Microsoft Internet Security and Acceleration Server 2004 Standard Edition
SYMPTOMS
You cannot access a Web site that was published by using Microsoft Internet Security and Acceleration (ISA) Server 2004 Web publishing rules. You are trying to access the ISA Server 2004 Web site through a hardware balancer that is configured to use local triangulation.
CAUSE
This problem occurs because the security check in ISA Server 2004 prevents the packets from reaching the Web listener. ISA Server 2004 blocks and drops the packets as they arrive on the wrong interface.
RESOLUTION
Service pack information
To resolve this problem, obtain the latest service pack for Internet Security and Acceleration Server 2004. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
891024 How to obtain the latest ISA Server 2004 service pack
Hotfix Information
A supported hotfix is now available from Microsoft. However, this hotfix is intended to correct only the problem that this article describes. Apply this hotfix only to systems that are experiencing this specific problem.
To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:
Note If additional issues occur or any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. To create a separate service request, visit the following Microsoft Web site:
Prerequisites
For ISA Server 2004, Standard Edition, you must install ISA Server 2004 Service Pack 1. For more information about how to obtain the latest ISA Server 2004 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
891024 How to obtain the latest ISA Server 2004 service pack
There are no prerequisites for ISA Server 2004, Enterprise Edition.
Restart requirement
You must restart the computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace any other hotfixes.
File information
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
ISA Server 2004, Standard Edition
Date Time Version Size File name -------------------------------------------------------------- 01-Apr-2005 14:49 4.0.2163.253 340,240 Fweng.sys
ISA Server 2004, Enterprise Edition
Date Time Version Size File name -------------------------------------------------------------- 07-Apr-2005 16:10 4.0.3440.253 361,112 Fweng.sys
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Internet Security and Acceleration Server 2004 Service Pack 2.
MORE INFORMATION
For more information about how to install ISA Server 2004 hotfixes and updates, click the following article number to view the article in the Microsoft Knowledge Base:
885957 How to install ISA Server 2004 hotfixes and updates
For more information about the terms that are used in this article, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
Additional query words: NLB load balancing
Keywords: kbfix kbqfe kbsecurity kbhotfixserver KB894485
