2010 Server has Message Tracking enabled.You need to modify storage location of message tracking logs.What should you do？（）

• A、From the Shell Management Console apply Set-EventLogLevel cmdlet
• B、From the Shell Management Console apply Set-TransportConfig cmdlet
• C、From the Exchange Management Console （EMC） modify properties of Mailbox Database
• D、From the Exchange Management Console （EMC） modify properties of Hub Transport Server object