Block an iOS device or Android device from accessing Microsoft ActiveSync

You can manually block a previously allowed device from accessing Microsoft ActiveSync to prevent a user from retrieving email messages and other information from the Microsoft Exchange Server on the device.

Before you begin: Create a Microsoft ActiveSync configuration.
  1. In the Universal Device Service console, on the menu bar, click Microsoft Exchange Connections.
  2. Search for a device.
  3. In the Status column, click Block.