Test Exchange and Outlook Connectivity – Outlook Anywhere, ActiveSync, OWA

Here is a great tool (if incomplete, though best intentioned – I look forward to the troubleshooting suggestions being completed), for testing the following in your configuration:

• Outlook Web Access (OWA)
• Outlook Anywhere (RPC/HTTPS)
• SMTP
• AutoDiscover

Check out https://www.testexchangeconnectivity.com