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 fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Internet Security and Acceleration Server service pack that contains this hotfix.
To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:
NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The typical support costs will apply to additional support questions and issues that do not qualify for the specific update in question.
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