Error 0xC7FF0007

Value: -939589625 | 0xC7FF0007 | 3355377671

What does it mean ?

hrCouldNotConnect  
Unable to perform the backup. Either you are not connected to the specified backup server or the service you are trying to backup is not running.
Value: 7 | 0x0007 | 0b0000000000000111

Where does it come from ?

FACILITY_BACKUP  
Backup in Active Directory Domain Services
Value: 2047 | 0x7FF | 0b11111111111

StackOverflow

Other Errors for FACILITY_BACKUP