iPhone connects to ActiveSync but mail will not download.  Fails to connect to server.

If a user cannot connect to an iPhone use the following work around.

On a Domain Controller, Click on Start/All Programs/Administrative Tools/Active Directory Users and Computers

Click on View and Select Advanced Features

 

 

 

 

 

Select a mailbox that isn’t working with Active Sync, double click on the account, Select the Security Tab and then the Advanced Button.

 

 

 

 

 

 

 

 

Select Exchange Servers, and tick the Include inheritable permissions toggle then Apply and OK.