Hello,
Please check if the media you are using is compatible with the device you are using. This can be verified with the hardware manufacturer.
Please check if the device is supported by Backup exec as per the hardware compatibility list.
Title : Backup Exec 10.0 for Windows Servers Standalone Drives Hardware Compatibility List (HCL)
http://support.veritas.com/docs/274347
Title : Backup Exec 10.0 for Windows Servers Robotic Library Hardware Compatibility List (HCL) (includes tested drives)
http://support.veritas.com/docs/274348
If yes please install the latest veritas drivers else install the OEM drivers.
http://support.veritas.com/docs/251466
Please check if you have the latest firmware.
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