Did you do it this way?
A ZIP of your server’s Logs folder will tell us what’s happening (network routing or DNS misbehaving)
The “Plex Claim Token” method works in a bunch of configurations because:
- You get a claim token from “Plex.tv/claim” – (the blue hyperlink in the form)
- You paste that token into the installer window
- The installation script uses that token to talk to Plex.tv and get you new credentials independent of networking ( provided it can talk to plex.tv ).
- If all is well, the post-installation message shows your Plex Usename and email as confirmation