Can't connect to PMS - MyPlex: Error 403 requesting XML

Plex Media Server Remote Access
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Server Version#: v1.22.0.4163-d8c4875dd - Docker Docker Container x86_64 - build: linux-x86_64 debian

I get an error in Plex.tv that says: “Unable to connect to “plex.myserver.domain” securely”

I tried allowing unsecure connections but that still won’t connect to the server but instead gives the message: “The server “plex.myserver.domain” is unreachable. Make sure it’s running, double check your network, and try again.”

The server IS running - I have also tried reinstalling, reseting etc. No install errors show at all.

I spoke to support for the service I’m using and they say they see this in the logs:

Mar 13, 2021 23:00:11.495 [0x7f4ce37fe700] ERROR - MyPlex: Error 403 requesting XML from: https://plex.tv/api/v2/server/access_tokens?auth_token=xxxxxxxxxxxxxxxxxxxx
Mar 13, 2021 23:00:11.495 [0x7f4ce37fe700] ERROR - MyPlex: Couldn’t get list of access tokens from myPlex.

I can also see this error from Plex.TX when I turn on logs:

“[Connections] [Loopback] is unavailable at http://127.0.0.1:32400/media/providers (Status 0)”

Can someone please help? What’s causing this to fail and what can be done to fix?

Thanks

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Can you share some additional information about your server’s configuration:

  • Is it hosted locally or remotely?
  • Are you using a custom server access URL?
  • Are you using a custom server certificate?
  • Have you completed the claim process for the server?

In particular, if the server is installed remotely, you should perform the first-time configuration using an SSH tunnel to proxy a local connection to your browser. More information can be found in the “On a Different Network” section of the installation support document:

So, something like:
ssh user@nnn.nnn.nnn.nnn -L 8888:127.0.0.1:32400

Provide your password and, once connected, browse to http://127.0.0.1:8888/web in your local browser to perform initial configuration of the server.

Finally, please don’t double post the same issue; if you want your original post to bubble back up to the top of the forum topics, make edits to it to provide additional, relevant details which could help folks in helping you.

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  1. Restart the container.
  2. Let run for 2 minutes
  3. Stop the container
  4. Make a tar.gz / ZIP of the “Logs” directory.
  5. Please attach it and I’ll review.
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