An Organization 2010 has 2 Mailbox Servers named Server1 and Server2.Each one has Mailbox Database and 1 Public Folder Database.All users create Public Folders on Server1 only.You need to ensure that all users create Public Folder on Server2 only.What should you do？（）

A. Move all Mailboxes to Server2
B. Remove all Public Folder replicas from Server1
C. Modify properties of both Mailbox Databases
D. Modify properties of both Public Folder Database