App.plex.tv is unable to connect to "___" securely after changing password and re-claiming server

Server Version#: 1.29.2.6364

I’ve recently changed my password and am now getting this error when trying to access Plex through https://app.plex.tv/desktop/#!/

The error message:

app.plex.tv is unable to connect to “tvpc” securely

I can still access everything fine through the local URL from all computers on my network:

http://127.0.0.1:32400/web/index.html (works fine, all media accessible)

I can ALSO access it fine through the Plex Android App.

Before I changed my password, everything was working fine. After I changed it, I had to ‘reclaim’ my server. This password change/server ‘re-claim’ seemingly messed things up.

I’ve tried the following after researching this problem that many other people seem to have had:

  • Restarting my PC.
  • Restarting my modem/router.
  • Restarting the Plex Media Server many times.
  • Tried from multiple browsers, with all browser extensions (like uBlock and Privacy Badger) disabled.
  • Adding an explicit exception for Plex to be allowed through Windows firewall (wasn’t necessary before).
  • Confirming that Remote Access works and displays the ’ Fully accessible outside your network’ message.
  • Going into Plex Settings > Network, and toggling the ‘Secure Connections’ setting from ‘Preferred’ to ‘Required’ and back (with and without server restarts in between).
  • Re-synchronizing my system clock as I read that that might be a reason for why there would be certificate problems.
  • Re-installing Plex Media Server and re-adding all libraries (how could this STILL not fix it?)

None of this has helped. I have no idea what the problem is. I’ve attached the log files to this post and based on other posts I’ve looked at with a similar issue, it might have something to do with an SSL Certificate and failing to generate/fetch one? I’ve found potentially relevant lines in the Plex Media Server log:

Dec 12, 2022 14:44:22.892 [8388] DEBUG - CERT: Certificate did not exist, fetching a new one.

Dec 12, 2022 14:44:45.295 [8388] ERROR - CERT: Error acquiring new certificate: Failed to retrieve cert from plex.tv: 502,

Dec 12, 2022 14:50:06.470 [12456] DEBUG - [Req#495] CERT: Already refreshed certificate today, not refreshing again

Can anyone help me with this issue? I don’t know what else I can even try…

EDIT: SOLVED

I’m not sure what exactly fixed this, but it might have been the fact that I waited longer between closing Plex Media Server and starting it back up.

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