Hi Chris,
We apologize for the inconvenience caused because of the delayed response. Please let us know if your issue still persists. If yes, please refer the steps mentioned below. If not, we will mark this case as assumed answered and move it to answered questions pool.
Like Ken has written, please check if the option to "eject media on restore" is activated. If it is, and you want it to be so, you can automate answering of alerts in Backup Exec. Refer the following Technote for steps to automate responses for Alerts in Backup Exec:
Technote
http://seer.support.veritas.com/docs/192055.htm
Do write back if the issue persists. Have a nice day!
NOTE : If we do not receive your reply within two business days, this post would be marked assumed answered and would be moved to answered questions pool.