A.you should consider having the maintenance schedule of king database changed for the retention and removal of message items.
B.you should consider having the messaging record management (mrm) schedule for-ex01 changed for the retention and removal of message items.
C.you should consider having the set-retention policy cmdlet run to schedule the retention and removal of message items.
D.you should consider having the start-managed folder assistant cmdlet run to schedule the retention and removal of message items.