Found this after searching more about my problem:
But I don’t think this is related to one or many instances of Plex running, I mean the error is pretty clear that there’s a malformed header or maybe something required that’s missing in the connection, I don’t see how that relates to running one or many processes of anything in any server.
I think it would be helpful to get a better detail of the unauthorized response, I didn’t have this problem with previous versions of PMS so that means that there’s definitely something that changed in Plex servers (meaning, web-servers, proxies, load balancers, etc) which broke the behavior. This may be related to how PMS process runs, but so far there’s no logic connection between PMS running in multiple processes and an Nginx server returning a 403.
