1. Schedule a backup 
  2. On the Backup Options screen of the Schedule Backup Wizard, mark the Net Send notification when backup is finished checkbox and enter the network login of the person to be notified when the maintenance is complete (Note: This functionality is available to only certain operating systems).
    Notes:
    • The Messenger Service must be started on the server and the workstation to which the notification is sent.
    • The Net Send option is available only when running a full instance of SQL Server, but is not available with Server 2008 and newer Operating Systems as the messenger service was removed.
Note: We are currently evaluating this issue and will update this article when we have more information.