You have an organization that contains Exchange Server 2007 and Exchange Server 2010 Hub Transport servers.
You create a moderated distribution group named Group1.
You assign a user named User1 as the group’s moderator.
User1 reports that some e-mail messages are delivered to the members of Group1 without his approval.
You need to ensure that all e-mail messages deliverd to Group1 are approved by User1.
What should you do?
A.
Recreate the group as a dynamic distribution group.
B.
Restart the MSExchangeTransport Service
C.
Modify the expansion server for the group
D.
Force a replication between all domain controllers.