Hello,
For using Backup Exec Version 10.0, it is necessary that the 10.0 license be bought . One needs to purchase the licences of the Version 10.0 for the additional Backup Exec Options and Agents.
Here are a few documents that can help you incase you are planning to upgrade:
http://support.veritas.com/docs/277181
http://support.veritas.com/docs/265167
http://support.veritas.com/docs/264484
http://support.veritas.com/docs/269777
Hope it helps you.
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