Hi,
Please check whether the device is listed as "tested" in HCL.
Backup Exec 10.0 for Windows Servers Standalone Drives Hardware Compatibility List (HCL)
http://support.veritas.com/docs/274347
Backup Exec 10.0 for Windows Servers Robotic Library Hardware Compatibility List (HCL) (includes tested drives)
http://support.veritas.com/docs/274348
If the device is listed as " tested" you may install the latest the latest Veritas drivers from here:
VERITAS Backup Exec (tm) 10.0 - Device Driver Installer (20050315) - Includes Tape Driver Release (20050115) and Robotic Library Release (45) (Intel Only)
http://support.veritas.com/docs/275676
Check whether Event ids 7,9, 11 or 15 logged in the System log.
These generally indicate a hardware problem.
Hope it helps.
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