When I run the remote connectivity analyzer for ActiveSync on Exchange 2013 I get the following error:
An HTTP 500 response was returned from Unknown.
Headers received:
Content-Length: 75
Content-Type: text/html
Date: Tue, 15 Apr 2014 16:31:51 GMT
Server: Microsoft-IIS/8.0
HTTP Response Headers:
Content-Length: 75
Content-Type: text/html
Date: Tue, 15 Apr 2014 16:31:51 GMT
Server: Microsoft-IIS/8.0
Headers received:
Content-Length: 75
Content-Type: text/html
Date: Tue, 15 Apr 2014 16:31:51 GMT
Server: Microsoft-IIS/8.0
HTTP Response Headers:
Content-Length: 75
Content-Type: text/html
Date: Tue, 15 Apr 2014 16:31:51 GMT
Server: Microsoft-IIS/8.0
Elapsed Time: 73 ms.
I found one post that suggested enabling Windows Authentication which I did and still not luck.
Thanks,
Ryan