1. ope start- Run, type ntbackup.exe, and click OK.
2. Select the Advanced Mode.
3. Check the Backup tab.
4. browse to Microsoft Exchange Server,browse to your exchange server.
5. Select the checkbox that you want to back up next to the storage group.
6. Verify the backup file path and type the path and filename.
7. In the Backup media or file name box, type the path and filename for this backup
8. Verify that the Default Backup Type is Normal (under tools menu)
9. in the Advanced tab, enable Verify data after backup and click OK.
10. Click Start Backup.