Hello everyone,
We seem to be having problems with our ActiveSync not working anymore. Users with mobile devices can not access their mailboxes. We have checked just about every setting and the IIS logs and can't find an answer to this issue. Microsoft's Remote Connectivity Analyzer shows the following error which we can not find an answer for anywhere.
An ActiveSync session is being attempted with the server.
Errors were encountered while testing the Exchange ActiveSync session.
Test Steps
Attempting to send the OPTIONS command to the server.
Testing of the OPTIONS command failed. For more information, see Additional Details.
Additional Details
A Web exception occurred because an HTTP 400 - BadRequest response was received from IIS7.
Thanks!