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Error message when you try to submit an HTTP POST programmatically to Exchange Server 2010 Web Services or to AutoDiscover: "HTTP 404 Resource Not Found"


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Symptoms

When you submit a HTTP POST programmatically to Exchange Server 2010 Web Services (EWS) or to AutoDiscover, you receive the following error message:
HTTP 404 Resource Not Found

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Cause

By default, EWS and AutoDiscover only accept POSTs that are made through SSL. This is because EWS and AutoDiscover are based on Windows Communication Foundation (WCF). WCF cannot find the endpoint of the HTTP POST. Therefore, the HTTP 404 error is generated.

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Status

This is a limitation in Exchange Server 2010. This issue is resolved in Service Pack 1 for Exchange Server 2010.

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More information

For more information about this issue, visit the following MSDN blog:

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Keywords: KB980048, kbprb, kbsurveynew, kbexpertiseadvanced, kbtshoot, kbhttp404, kbssl

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Article Info
Article ID : 980048
Revision : 2
Created on : 2/19/2010
Published on : 2/19/2010
Exists online : False
Views : 359