The device will receive a notification during exchange configuration, prompting the user to enable the device administrator service. However, the notification screen is hidden during setup.
To enable the service, swipe the screen from the top to reveal the hidden notification window. Once accepting the prompt, the device should connect.
This issue impacts multiple Samsung Galaxy devices, including S2, Captivate, Vibrant, Fascinate, Epic, and generates the error unable to open connection to server.