Your company maintains a hot standby server named ExchDR1. An Exchange Server 2007 computer named Exch1 fails. You perform the following actions.
1.On Exch1, take the Exch1.edb database offline.
2.On ExchDR1, create a new storage group named ExchDR and a database named ExchDR1.edb.
3.Copy the Exch1.edb database from Exch1 to ExchDR1.
4.On ExchDR1, rename the copied database from Exch1.edb to ExchDR1.edb.
Your attempt to mount the database is unsuccessful.
You need to ensure that the copied database mounts on the new server.
What should you do?

A.
Rename ExchDR1 to Exch1

B.
Rename the database on ExchDR1 to Exch1.edb

C.
Set the This database can be overwritten by restore attribute on the database properties

D.
Run the Move-Mailbox -ConfigurationOnly -TargetDatabase ExchDR1.edb cmdlet