Company.com network consists of a single Active Directory domain named Company.com.Company.com has an Exchange Server 2010 organization.The Company.com employees use Microsoft Office Outlook 2007 to connect to their mailboxes.RPC over HTTP and Auto discover are configured on Microsoft Office Outlook 2007. Company.com has acquired a new Exchange Server 2010 server and moved the mailboxes to it.However， the employees find a problem to access their mailboxes. What should you do？（）

• A、You should consider using Outlook Anywhere and configure it.
• B、You should consider creating and set up a Client Access array.
• C、You should consider renaming the OWA virtual directory to Exchange.
• D、You should consider the Switchover Server option.