Microsoft KB Archive/294722

= Proxy Error 502 Is Returned by ISA Server Under Heavy Stress =

Article ID: 294722

Article Last Modified on 10/26/2007

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APPLIES TO


 * Microsoft Internet Security and Acceleration Server 2000 Standard Edition

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This article was previously published under Q294722



SYMPTOMS
Under stress, the following error responses may be returned to the client occasionally:

502 Proxy Error (Software caused the connection to abort)

502 Proxy Error (Network logon failed)

This issue may occur under the following bridging and chaining configuration:

Client --> ISA Server 1 -> ISA Server 2 --> Server (IIS) HTTP                SSL                 SSL/HTTP



RESOLUTION
A supported hotfix is now available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

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:

http://go.microsoft.com/?linkid=6294451

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:

http://support.microsoft.com/contactus/?ws=support

The English version of this fix should have the following file attributes or later:   Date         Time   Version      Size     File name -  01-Jul-2001  14:26  3.0.1200.66  381,200  W3proxy.exe



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Additional query words: hf 66 hf66

Keywords: kbproductlink kbqfe kbhotfixserver kbenv kberrmsg kbprb KB294722

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