Resolution:
 

This error message is usually caused by a hardware related issue which can be resolved by performing one or more of the following troubleshooting steps:
 

1. Perform a backup on a Backup to Disk folder and check if it works.
 

2. Stop the Removable Storage Management (RSM) service.
 

3. Make sure that the latest Symantec Drivers are installed.
 

4. If the device is connected to a RAID controller, move it to a separate SCSI controller.
 

5. If the device is connected to a fiber switch, reboot the switch and resume testing.
 

6. Power down the server and then shut down the library. Then start the library and wait until it's completely initialized. Then start the media server and perform additional testing.
 

7. Check the Windows Event Viewer System log for Event ID 7, 9, 11 or 15.
 

Refer to the following Microsoft article for additional information on Event ID 7, 9, 11 or 15:
 

How to troubleshoot Event ID 9, Event ID 11, and Event ID 15 error messages
 

 http://support.microsoft.com/?kbid=154690
 

For further troubleshooting information on this issue, refer to the Related Documents section of this TechNote. Additionally contact the Hardware manufacturer to resolve the Hardware issue.