Help! why my script cant backup data Automatically

[YS KHO]

i am using HP DAT72 USB Drive

i can backup manually but when i set schedule on it, my script cant run the backup process automatically. It open the ntbackup program, then off again. I have copy the script run on dos mode for test. It same fail also. Hope any expect can help me check the script. Thank you.

Script: C:\WINDOWS\system32\ntbackup.exe backup "@C:\Documents and Settings\YikSiong Kho\Local Settings\Application Data\Microsoft\Windows NT\NTBackup\data\Database Backup.bks" /j "Database Backup" /n "Database Backup" /d "Database Backup" /v:no /r:no /rs:no /hc:on /m normal /l:s /p "4mm DDS"

Error Log Message:
Cannot locate the specified media or backup device. This backup operation will terminate.

[YS KHO]

Anyone can help me please? or anyone can send me example of backup script that is working?

[Andres Klemm]

Hi,

You could try rsm /refresh before backup.

Then you could take look at the /um switch (unrecognised media) or prepare your media first.