Hello,
Yes it is possible to carry out Full,incremental/differential backups using Exchange Agent in Backup Exec 9.1.
Refer to the folloing technotes:
http://support.veritas.com/docs/266074
http://support.veritas.com/docs/231250
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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