A.You should consider having all Exchange servers in the organization upgraded to Microsoft Exchange Server 2007 Service Pack 2 (SP2).
B.You should consider having all Exchange servers in KingSite1 and all Client Access servers in the organization upgraded to Microsoft Exchange Server 2007 Service Pack 2 (SP2).
C.You should consider having all Client Access servers in the organization upgraded to Microsoft Exchange Server 2007 ServicePack 2 (SP2)
D.You should consider having all Exchange servers in KingSite1 upgraded to Microsoft Exchange Server 2007 ServicePack 2 (SP2).