Xbox Insider Hub is not working on my Xbox Series X. as it tells me to sign out of the...

Did you sign up for the Console Purchase Pilot through the Xbox Insider Hub like the article that you linked says to?

"If you’re interested in potentially buying an Xbox Series X or Xbox Series S, you’ll need to hop into the Xbox Insider Hub and sign up for the Console Purchase Pilot through there. Good news if you signed up last time and weren’t selected: Microsoft says that you’ve already opted into this round and won’t need to do anything for the chance to be selected again."

Thats because the series x cannot be used for game streaming

Only xbox one

You SHOULD not be using legacy insiders hub on series x or s

It is meant for Xbox one

The os updates are only for xbox one so are the beta tests and xcloud Is NOT supported in China only south korea

The preview is over for other regions so you wouldn't be able ro use extended regions anyways

Insiders hub regular is the only one for series x and s

Unfortunately there is nothing about halo infinite on my Halo insider profile, the only thing that I got was an xbox message telling me to go the the xbox insider hub and download it

Did this work - I have the same problem. Seriously Microsoft, signing out of an account is to much to ask from a program now?? Also changing accounts on my PC seems to be effecting my xbox account status which is super stupid,
please fix that too.

As far as I can tell all those ports are open. I have no idea what an "insider build (Beta OS)" is so that I do not know. It's weird because my xBox one is having problems but my brothers Xbox Series X is working fine.