@Don.M if you happen to still have the link please let me know. Thank you!

@Tony Any chance you recall a fix for this issue? Thank you!

@Don.M If you can remember that would be great thanks. I submitted a help request but no response yet. Also asked for help on Reddit but no response either.

Hi Don Did you ever solve this error?

@Tony Sounds like what I had read about a DNS rebinding issue as a potential cause. I do still have my other router. This issue was not present when I used that router. I can try the connecting the...

I doublechecked the Windows firewall and all of the Plex services are checked to allow through the firewall.