After you've set up your VSys Live sites and made your global and site-specific settings, it's time to check that your setup is "reasonable". To VSys Live that doesn't mean you have pretty pages, or have the right applications online and let your site visitors look for openings; no, it means that none of your settings conflict in ways that VSys understands. From the VSys Live sites and settings tool, or from within the VSys Live installer, click on Check port usage conflicts.
VSys will check that: