My Activesync Autodiscovery is failing (Both in real life, and at testexchangeconnectivity.com.
The failure at testexchangeconnectiivty.com is:
Attempting to send an Autodiscover POST request to potential Autodiscover URLs.
Autodiscover settings weren't obtained when the Autodiscover POST request was sent.
ExRCA is attempting to retrieve an XML Autodiscover response from URL https://autodiscover.domain.com/AutoDiscover/AutoDiscover.xml for user username.com
ExRCA failed to obtain an Autodiscover XML response.
None of the expected XML elements were found in the XML response.
Test-outlookwebservices gives no errors.
Test-activesynconnectivity does give an error.
Error : An incorrect HTTP response was received for user domain.internal\email@example.com, HTTP code = MovedPermanently.
Windows 2008 R2, Exchange 2010 SP1 (Installed as /hosting which may be relevant). There are two CAS using MS NLB - however, I get precisely the same results when the firewall points to either of the CAS directly.