You have an Active Directory forest that contains one domain named contoso.com.The Functional level of both the forest and the domain is Windows Server 2003.<br /> You have an Exchange Server 2003 organization.All servers have Exchange Server 2003 Service Pack 2 (SP2) installed.You plan to transition to Exchange Server 2010.You need to prepare the Active Directory environment for the deployment of the first Exchange Server 2010 server. <br /> What should you run?()
A、Setup.com /PrepareAD
B、Setup.com /PrepareDomain
C、Setup.com /PrepareLegacyExchangePermissions
D、Setup.com /PrepareSchema