Hi Stefche,
More details, please. What version of Backup Exec? What platform are you running it on? What Backup Exec components are you using?
You would have thought the Backup Exec Admin Guides should have details on backing up Backup Exec, itself, for DR purposes, but alas not. That would be way too simple.
You could try adapting this article to your purposes:
https://www.veritas.com/support/en_US/article.TECH67768
