Switch to AT&T from Cox Communications: Plex server was working now it's not

Plex Media Server Remote Access
10

You can try this if there might have been a sign in problem. often happens if you might have signed into server with a different account.

https://support.plex.tv/articles/204281528-why-am-i-locked-out-of-server-settings-and-how-do-i-get-in/

Else you can try this to help claim a server that cannot be seen for some reason.

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