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Missing EXPR Element in Autodiscover XML Response

 

Topic Last Modified: 2011-02-10

The Microsoft Exchange Analyzer Tool queries the HTTP response from the Autodiscover service to determine the attributes contained in the XML within that response. Two Outlook Providers and their attributes are commonly found in the XML:

EXCH Provider

The connection settings and Exchange services URLs used when Outlook connects using RPC.

EXPR Provider

The connection settings and Exchange services URLs used when Outlook connects using HTTP (Outlook Anywhere).

If the EXPR element is missing from the Autodiscover response, then the Exchange Remote Connectivity Analyzer tool displays the following error message:

"Missing EXPR element in Autodiscover XML Response."

This typically means that Outlook Anywhere is either not enabled or configured correctly.

The Exchange Remote Connectivity Analyzer is a new tool with limited documentation at this time. In an effort to improve the documentation for each of the errors you might receive, we would like to solicit additional information from the community. Please use the Community Content section below to post additional reasons why you failed at this point. If you need technical assistance, please create a post in the appropriate Exchange TechNet forum or contact support.

 
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