You have an Exchange Server 2010 organization that contains five Mailbox servers and five Client Access servers.All users in the organization connect to their mailboxes by using Outlook Anywhere.You create a Client Access server array.You need to ensure that all users can connect to the Client Access server array.What should you do？（）

• A、From the Exchange Management Shell， run the Set-Mailbox cmdlet
• B、From the Exchange Management Shell， run the Set-MailboxDatabase cmdlet
• C、From the Exchange Management Console （EMC）， modify the properties of each mailbox database
• D、From the Exchange Management Console （EMC）， modify the properties of each Client Access server object