Un-authorized error after authenticating to newly installed plex server

Plex Media Server Desktops & Laptops
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1

Hello,

I originally installed Plex on a Synology NAS. I’m experiencing buffering issues so I decided to move Plex to a more powerful machine. This time around, I decided to use docker-compose on Ubuntu.

Here’s the docker compose file:

services:
  plex:
    image: linuxserver/plex
    container_name: plex
    network_mode: host
    environment:
      - PUID=911 #CHANGE_TO_YOUR_UID
      - PGID=911 #CHANGE_TO_YOUR_GID
      - TZ=America/Toronto #CHANGE_TO_YOUR_TZ
      - VERSION=latest
    volumes:
      - /home/user/docker/plex/config:/config
      - /home/user/docker/plex/mnt:/data/media
    devices:
      - /dev/dri:/dev/dri
    restart: unless-stopped

When I launch Plex, I attempt to browse to http:<ip>:32400/web. When I do this, I’m prompted to setup the server. Once I’ve chosen a name for the server and click next to proceed to the media section of the server setup menu, I am presented with the “Not authorized” error message.

image
image949×527 46.1 KB

I tried several things to debug this issue:

  • I tried to include a claim token within the Docker compose file. This resulted in the same error message.
  • I suspected it could be Docker networking. I installed PMS natively on the Ubuntu host. I received the same error message.
  • After messing around with the Preferences.xml file, it appears that the “Not authorized” error message only appears once my account credentials have been entered into this file. I tried modifying the permissions on the file.

None of the debugging steps helped.

Any advice would be greatly appreciated!

Thanks,
sent1ent

EDIT:

2

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