Fix for PLEX “Unauthorized Server” Problem on Roku

Okay, so I just got a Roku Streaming Stick for my dad, and I wanted to set it up so it could use PLEX, which is what I use to stream everything from my PC.

I was going nuts, because it kept telling me it couldn’t log into the server, because the server was “unauthorized”, even though I let it accept non-secure connections.

The fix, courtesy of gsparx on Reddit, is the following (the following example is if you want to get it to play on devices connected to your home network):

In the PLEX app on your computer, go to Settings -> Server -> Network. There will be a box that says “List of IP addresses and networks that are allowed without authorization”. Enter into that box. You may need to refresh, but your Roku should now be able to access your server. You may have to enter a different IP depending on your configuration, but that one worked for me, since, again, I’m using it on my home network.

I hope this helps some people. It was driving me nuts.

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9 Responses to Fix for PLEX “Unauthorized Server” Problem on Roku

  1. Tommy says:

    Dude, thank you so much! This is what I needed to get things working on my Roku tv.

    • Kip says:

      No problem, man! It’s a frustrating error to run into. Good luck with your Roku TV — I just have the stick but I love it.

  2. Chad says:

    If I have a kid, I’m naming him after you. I wish the buttheads at plex would put this on there website. THANK YOU so much.

  3. Kip says:

    You’re very much welcome.

  4. Ed Benner says:

    Your advice worked for me too. Sorry, my daughter is all grown up now and has a different name that yours. LOL.

    Ed Benner

  5. Jeff says:

    Thanks for figuring this out and posting. I ran into this years ago and gave up looking for a solution. All along it was that missing IP address range. Now I can actually switch between servers within the same official Plex Roku app. No more switching between the official Plex and Plex RARflix!

  6. John says:

    I’ve been using Plex & Roku since the beginning of both. Never had this problem until today. Your solution fixed it right up, thanks!

  7. Luke says:

    March 2023 and the solution still works!

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