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Problem with HTTP 302 and AuthResend Parameter when publishing InfoPath Form

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  • Hello,

    I have a SharePoint 2010 box published over a Threat Management Gateway (TMG) with SP1. The SharePoint and TMG rules configuration follows the best practices for alternate access mapping. Authentication from the client to TMG is done by Form and then from there to the SharePoint by NTLM.

    The access via Web Browser to the SharePoint sites works without problems.

    But when I try to publish an InfoPath form with the InfoPath 2010 client, I'm unable to access the server. The InfoPath calls some web serivces on SharePoint, which are redirected by TMG. Every redirect includes an AuthResend query parameter. Here's an example:

    Request: POST /_vti_bin/webs.asmx HTTP/1.1

    Response: HTTP/1.1 302 Moved Temporarily, Location: http://server/_vti_bin/webs.asmx&AuthResend1908BC2350124b5095AB75012FA405BA

    In the TMG logs this requests generates the following HTTP Status Code "12210 An Internet Server API (ISAPI) filter has finished handling the request. Contact you system administrator."

    Does anyone of you have an idea how to fix this issue?

    Kind regads,

    David


    --- http://blog.sharepoint.ch
    2010年7月26日 21:18

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