Having the exact same issue. After I paid I am stuck because I cannot get past this step. Hope you get an answer because I can't find much on here about it.
Request failed with status code 400 when trying to register an xbox as a developement console
John Ryan Moriarty
25
Reputation points
When I go to the Xbox development consoles section and try and add a console I get: Request failed with status code 400
2 answers
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Daniel Kucner 5 Reputation points
2024-02-17T10:54:17.14+00:00 I have the same problem and there's not even customer support for this problem. Only bunch of useless FAQs.