I recently moved all of my media libraries from my PC to a 214 (4x3TB) and installed and updated to the latest version of the Plex on the NAS. After waiting days for any metadata to catch up, I had to manually refresh (one by one) most Albums & Artists to get the poster images to show. That's done.
The last issue (hopefully) I have is music backgrounds. There are none for any artist. I tried various re-orders of the agents to no avail. The PC app without any media still has all the background images but I can't seem to find a way to make it work on the NAS app.
I'm a PlexPass user. Working with a NAS is new to me. Any help/suggestions would be appreciated.