After May 2, 2018, Backup Exec 16 and earlier versions will no longer receive automatic security and quality updates via Symantec LiveUpdate. Further details of this change can be found in our Support article.
There is no change to the functionality of the Backup Exec product that you have currently installed.
Prior to 2 May 2018, Veritas recommends that you run Symantec LiveUpdate to apply the latest updates (if any) to your installed version of Backup Exec. If you cannot update Backup Exec before 2 May 2018, you can continue to download and manually install the updates from the Veritas Support website for the supported versions of Backup Exec.
The product updates for below Backup Exec versions can be manually downloaded from this article. Please visit this page periodically to check on the latest available updates: https://www.veritas.com/docs/000036756
Veritas is committed to provide security and quality updates with a new streamlined technology in latest version of Backup Exec, along with seamless user experience. Backup Exec 20 and newer version leverage Veritas Update as the new technology to receive the product updates. Please stay tuned to this page for more information on product upgrade opportunities.