Hello,
Holding a valid license key for Backup Exec 8.6 does not mean that you have a valid license for Backup Exec versions 9.x or 10.0. Corresponding license keys has to be purchased depending upon to which version you are going to upgrade to.
You can also use Backup Exec 9.x or 10.0 in evaluation mode for 60 days after which a valid license has to be purchased.
The latest version of Backup Exec 9.x is Version 9.1 4691. Download information :
Please use following link to download Backup Exec v9.1. The evaluation period is valid for 60 days.
-VERITAS Backup Exec (tm) 9.1 for Windows Servers revision 4691.1 (Single .ZIP download)
http://seer.support.veritas.com/docs/264658.htm
For further information, please get in touch with our local sales representative. Alternatively, you can contact our local sales office. You can locate them using following URLs:
http://www.veritas.com/contactus/ContactUsHome.jhtml
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.