Plex states that if your server is located on the same network as your TV, you won’t have any issues. However, if the server you’re connecting to is remote, you’ll need to change the Plex tv settings on your TV to allow for insecure connections. To do this, go to settings and find the “Advanced” section. Set “Allow Insecure Connections” to “Always” as seen below. This setting may appear under the “Main” section on a few older TVs.