Outlook anywhere not working , all testing ok except below:
Attempting to ping RPC proxy mail.abc.com.
RPC Proxy can't be pinged.
Additional Details
A Web exception occurred because an HTTP 404 - NotFound response was received from Unknown.
Headers received:
request-id: 35d8bc5e-0a93-444c-a25f-ad0e991fd5b8
X-CasErrorCode: EndpointNotFound
Persistent-Auth: true
X-FEServer: E2013HT
Content-Length: 0
Cache-Control: private
Date: Fri, 12 Jul 2013 12:34:26 GMT
Server: Microsoft-IIS/8.0
X-AspNet-Version: 4.0.30319
X-Powered-By: ASP.NET