IIS web applications are clasified into serveral types of servcies, such as 

• Outlook Web Access
• Outlook Anywhere
• Exchange ActiveSync
• Remote Desktop Web Access
• Microsoft Sharepoint
• Citrix Web Interface

Every type of the service has a set of pre-configured settings. Therefore, it is important that you select the correct type of the service.

In the DualShield IIS Agent console, expand the "Service Type" drop-down list

Select "Exchange ActiveSync"