Why I donīt take get backup with another mailbox or all mailbox.
When I do mailboxīs backup showed itīs error down:



================================================== ====================
Job server: BACKUP
Job name: Backup 0053
Job started: Tuesday, May 22, 2001 at 3:07:40 PM
Job type: Backup
Log file: BEX09.txt
================================================== ====================

Drive and media information from media mount:
Changer Name:
Drive Name: DAT
Media Slot: 0
Media Cartridge Label: 4MM000004
Targeted Media Set Name: Media Set 1

================================================== ====================
Job Operation - Backup
Media operation - overwrite.
Software compression enabled.
================================================== ====================
Unable to attach to \\GESSRV000\Microsoft Exchange Mailboxes.
The device cannot be found.


^ ^ ^ ^ ^
Unable to attach to \\GESSRV000\Microsoft Exchange Mailboxes.
^ ^ ^ ^ ^

================================================== ====================
Job ended: Tuesday, May 22, 2001 at 3:08:03 PM
Job completion status: Failed
================================================== ====================