How can I get NTBackup to write the data to the tape without giving me errors such as, cannot locate the specified media or backup device, or the operation was not performed because no storage media was specified.

I have a nightly backup scheduled in NTBackup that writes the data to a Seagate 4mm DDS tape. When I manually create the job using NTBackup, and specify the tape to use, it adds the /G "<GUID>" switch to it.

How can I set it up so that NTBackup writes to the tape, regardless of what tape's in it? For instance, when you insert Friday's tape on Friday, the backups will still run on Saturday & Sunday? This works in Backup Exec, but NTBackup & Backup Exec perform exactly the same for what I need it for, so I'd rather not dip into my budget for that 1 added feature.

Here's what I've used:

ntbackup.exe backup "@C:\Test.bks" /n "Full Backup" /d "Full Backup" /v:yes /r:no /rs:no /hc:on /m normal /j "Test" /l:f /P "4mm DDS"

After doing an inventory of the tape in Backup Exec, the Media Label & Description are both Full Backup, but the above script fails with "Cannot locate the specified media or backup device. This backup operation will terminate."

When it launches, NTBackup appears, it opens up the tape drive dialog with 'mounting media' being displayed. After it checks the tape, the job cancels.

Can anyone help me out with this?

~Luke
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