Best video player?

[tom80H]

Best contact Plex through https://www.plex.tv/contact/?option=plex-pass-billing to confirm the licensing side of this. The default TOS of Plex are focusing on a private/personal use. Just to avoid some conflict

Plex server in Enterprise environment

From a licensing point, I urge you to reach out to https://www.plex.tv/contact/?option=plex-pass-billing because Plex is neither allowed to be used commercially, nor are more than 100 shared users supported by default. And cramming 400 devices into one account means performance issues and that all devices will share their playback progress and history and subtitle selections etc.