Your Exchange organization contains an Exchange Server 2003 server named Server1. Storage for Server1 is configured as shown in the following table.

You move 100 mailboxes from Store1 to Store2.

You discover that the size of the Store1.edb file remains the same.

You need to decrease the size of the store1 database files.

What should you do?

A.
Enable circular logging for Storage Group 1.

B.
Use the Ntbackup tool to run a normal backup of Storage Group1.

C.
Configure the deleted mailbox retention time of Store1 to one day.

D.
Use the Eseutil tool to perform an offline defragmentation of the Store1 database files.