Hi,
Please check whether the device used by you is listed as "tested" in the Hardware Compatibility List for Backup Exec 9.1
Backup Exec 9.x for Windows Servers Robotic Library Hardware Compatibility List (HCL) (includes tested drives)
http://support.veritas.com/docs/271383
sowie
Backup Exec 9.x for Windows Servers Standalone Drive Hardware Compatibility List (HCL)
http://support.veritas.com/docs/271382
Hope it helps
Additional Information :
For information on the recent VERITAS Backup Exec security vulnerabilities, including links to the downloads for the necessary hotfixes, please refer to the following document:
Patch summary for Security Advisories VX05-001, VX05-002, VX05-003, VX05-005, VX05-006, VX05-007
http://seer.support.veritas.com/docs/277429.htm
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