The following are several tasks that you can perform on the Microsoft ActiveSync virtual directory:

• Modify the accepted authentication types for communication between mobile devices and ActiveSync.
  
• Configure which Microsoft Windows SharePoint Services and Microsoft Windows file share servers are allowed and blocked.
  
• Configure proxying for your Client Access servers.
  
• Configure the Autodiscover URL for ActiveSync.
  
• Enable Bad Item Logging.
  

The ActiveSync virtual directory is created in the default Web site and is always named Microsoft-Server-ActiveSync. You can manage the ActiveSync virtual directory by using the Exchange Management Shell, the Exchange Management Console, and Internet Information Services (IIS) Manager.

For more information, see Managing the Exchange ActiveSync Virtual Directory.