Article ID: 2937684 - View products that this article applies to.
Consider the following scenario.
Note MAPI/HTTP connections are designated in the Protocol column using the string HTTP.
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This problem can occur if the MapiHttp feature is disabled on the Outlook client using the following registry value:
To resolve this problem, change the value of MapiHttpDisabled to 0 (zero) or delete the MapiHttpDisabled DWORD value. This registry data is intended for testing purposes only.
For more information about the requirements for MAPI over HTTP connections, visit the following Microsoft TechNet website:
MAPI over HTTP
(http://go.microsoft.com/fwlink/?LinkId=151500)for other considerations.