A recovery of a Microsoft Exchange 2007 mailbox database to a Recovery Storage Group (RSG) fails.
What are two possible causes of the failure? (Select two.)
A. the mailbox database in RSG is mounted
B. the antivirus scanner is interrupting the restore operation
C. the Symantec Backup Exec Service account belongs to domain admins group
D. the appropriate Exchange database hasn’t been added to the RSG
E. the VSS writer for the recovery storage group is missing