Microsoft KB Archive/275851

= BUG: Core Interaction Problems Between BizTalk and ISA Servers =

Article ID: 275851

Article Last Modified on 6/4/2003

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APPLIES TO


 * Microsoft Internet Security and Acceleration Server 2000 Standard Edition
 * Microsoft BizTalk Server 2000 Standard Edition

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This article was previously published under Q275851



SYMPTOMS
When you use reverse proxy to send an HTTPS POST request from BizTalk Server to an external address of an Internet Security and Acceleration (ISA) Server, you may experience the following problems:  A 1,020 byte request to the ISA Server does not return a response. If you reset the connection and send the request again multiple times, the ISA service may fail (crash). An 816 byte request to the ISA Server may generate the following error message:

405 Bad Request Incorrect parameter





CAUSE
This problem occurs when you use ISA Server in the reverse proxy configuration.



STATUS
This problem has been reproduced with ISA Server RC1 (build 1056.6) and does not occur when ISA Server is not used.

Additional query words: 405 crash

Keywords: kbbug kbpending KB275851

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