Problem:

Whenever the server reboots a process starts before the default website can start casuing mobile mail and OWA to not function.

Solution:

To restart default website in IIS right click task manager, click show processes from all users, end EdgeTransport.exe process, open “Internet Information Services (IIS)”, tree down experit-2k11sbs > sites > default website, on the right hand side where it says manage website click start, if restart and stop become highlighted, you have started the website which controls OWA and mobile mail.