A Microsoft Exchange mobile messaging solution uses Microsoft Windows Mobile 5.0 with Microsoft Messaging and Security Feature Pack. You deploy the solution by using front-end and back-end servers. Microsoft Exchange Server 2003 Service Pack 2 is installed on the front-end server. You need to use the remote wipe feature. What should you do？（）

A. Install Microsoft Windows Server 2003 Service Pack 2 on all domain controllers.
B. Install Microsoft Exchange Server 2003 Service Pack 2 on the back-end server.
C. Install Microsoft Exchange Server ActiveSync Web Administration Tool on the front-end server.
D. Install Microsoft Exchange Server ActiveSync Web Administration Tool on the back-end server.Reset Instructions Calculator.&e