When opening “SimplyShare devices” (DLNA) on the TV, I can see an entry for the DiskStation, with shared media folders. This is the DLNA connection of the DiskStation itself (and which I saw before installing Plex)
I cannot see a separate DLNA device for the Plex server.
Ok, so the TV can’t see Plex. This sounds like a Plex configuration issue, or maybe a permission issue with the NAS. Have you rebooted the DiskStation recently? Try this.
- reboot the DiskStation
- startup PMS
- wait 3 minutes
- try accessing from the TV
- grab the logs from the Android App
- grab the logs from the server
The DiskStation is being shut down every night and reboots in the morning.
I will provide the logs tomorrow as described.
If it is a permission issue, could it have anything to do with the “plex” user on the Diskstation?
This user was automatically created during setup, but I don´t know what it is needed for.
If it is a permission problem, it is limited just to my the SmartTVs (where I would need Plex most). As I mentioned before, Plex works fine on the PC (cable) and on a Android Smartphone (Wifi). A few days ago it also worked on a LG TV (Wifi) but I just found out that the same problem applies here now as on the Phililips TV. There are different Plex clients on each device, which doesn´t make it easier.
Ok, can you get me the full log package from PMS after your next restart?
Sure, will do 
32400 is for Plex Media Server. On Android TV, it will try to use 32500. It will use something else if 32500 doesn’t work. This has no bearing on your PMS.
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A quick look at your logs shows that your PMS booted up using 10.0.0.102. The app on your TV is looking for your server at 10.0.0.142.
My guess is that IP for your server changed and that the Android TV app doesn’t actually close when you stop using it. So when you turn it on, it is reusing the previous information on where your server is located instead of trying to find it on the new location.
Can you try signing out of the app and sign back in? See if that helps. If not, please provide me a new log from the app. I don’t need a new PMS log.
If it does work, from your router’s configuration page, give your NAS a static (reserved) IP address so it won’t change and the app will always find it at the same location.
Funny, that´s the IP of the TV itself!
The NAS has a static IP address of 10.0.0.102
I signed out of the app and signed in again with the link function (4 characters via separate browser). Problem still persists. The new log is attached.
I’m seeing some interesting errors in this new log. Plex uses CloudFlare to host our servers. Your log shows that CloudFlare is blocking you from accessing Plex’s servers. Let me see if I can find out more on what’s going on.
Nevermind. Turns out those are intentional to stop a different bug. Still looking.
Ok, the app is looking for your server at 10.0.0.102 but getting back 0 results. Your PMs logs don’t show any requests coming in from .142 either. So something is definitely blocking the app from accessing your server on the local network.
Do you have a phone with hotspot? Try connecting the TV to that and see if it sees the server. If so, then we come back to something on your local network being the cause.
I think, the TV will not connect to PMS using the hotspot since remote access is (intentionally) not configured on PMS. Or do I get the concept wrong?
Oh ok. If you’ve disabled remote access then there goes that idea.
The only other thing I can think to try. Are you able to move the connections so that your NAS and TV are on the same switch?
I already tried a similar setup a few days ago
I connected my second TV (which has the same problem than the first one) to the same switch as the NAS. Problem still persisted.
Well, I’m out of ideas. Your PMS works since you can see it from your PC. Your PMS log shows the PC connection so I don’t know why the app can’t reach it.
It’s almost like your router is blocking that connection, but I don’t get why it would block the TV (both TVs) but not your PC.
Anyway, I appreciate your help, your ideas and the time you invested very much. I´m already thinking about re-installation of the PMS. Maybe I misconfigured something on the DiskStation. Or maybe it has something to do with the plex user on the DiskStation. What if he hasn´t enough rights? But this also wouldn´t explain why the PC and the Android smartphone can connect to PMS.
Again, thanks a lot!
Hi again. I just found the solution. There was an error in a firewall rule. That´s why the access wasn´t possible within the IP range > 10.0.0.9
BR, Wolfgang
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Bitte, Wolfgang!
I, for one, appreciate you posting the solution.
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