I am trying to get NTBackup under Windows Server 2003 to perform a backup to tape. But when I start the job I always get the error "There is no free media with the selected type." As a first troubleshooting step I want to erase the tape I'm using, to start over. Is this possible with NTBackup?
asked Mar 7, 2011 at 17:43
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2 Answers
You should be able to erase a tape by using the Removable Storage console:
- Open Computer Management (Right click My Computer > Manage)
- Expand the Removable Storage and find the tape drive, right click on it for the option to Erase.
You could also consider running your NTBackup job in unmanaged mode with the /um switch - this turns off the media management and will simply overwrite whatever tape is in the drive when the job runs. More details here: http://support.microsoft.com/kb/314844
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I tried this, but I'm getting the issue described in this Microsoft KB article: support.microsoft.com/kb/841187. When I tried to apply the hotfix, it said we had a version of Windows that already contained that bugfix (a later update). Is there something else that could be going wrong? Mar 16, 2011 at 15:09
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Also, I managed to get a tape into the Free media pool, and ran the backup job with the /um switch, but Backup comes up and spends a couple seconds trying to mount the media and then goes away. The log file says "The requested media failed to mount. The operation was aborted." Mar 16, 2011 at 16:17
The problem as described is usually quite simply fixed by running a Cleaning tape - all input to the device is via the tape heads sensing and this is usually skewed if the tape heads have particles on them (from the magnetic tapes shedding a few particles) - clean the heads - run the Cleaning tape at least twice and then run a manual backup.
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1It's usually good to have a cleaning schedule.. Once a week is a pretty good estimate. Nov 15, 2012 at 17:03