YouhaveanActiveDirectoryforestthatcontainsonedomainnamedcontoso.com.TheFunctionallevelofboththeforestandthedomainisWindowsServer2003.YouhaveanExchangeServer2003organization.AllservershaveExchangeServer2003ServicePack2(SP2)installed.YouplantotransitiontoExchangeServer2010.YouneedtopreparetheActiveDirectoryenvironmentforthedeploymentofthefirstExchangeServer2010server.Whatshouldyourun?()
A. Setup.com/PrepareAD
B. Setup.com/PrepareDomain
C. Setup.com/PrepareLegacyExchangePermissions
D. Setup.com/PrepareSchema