@jerdog I have an open support ticket which one of your engineers has been working with me on. Happy for you to use that if it cuts time debugging! Ticket is #44440
Ruth
I tried now with a new profile from an American site i.e. withou the “eu”: https://testestukune.auth0.com/authorize
I am stuck on the same problem! 
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@RCheesley / @Serginho_Cintra / @blake - we are looking into this and will get with you as soon as we see what’s going on
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From the other thread:
oauth2 json user id path : sub
oauth2 json username path : nickname
oauth2 json name path : name
oauth2 json email path : email
Quite different from the identities.[].id posted above!
Yes - things have likely changed from post #1 in terms of required settings
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@RCheesley and @Serginho_Cintra
The key part that we were missing is that we need to specify a scope when we ask Auth0 for user info.
I’ll update the original post with the correct values you need.
And thanks @jerdog for the help 
!
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Fantastic, thanks so much for all the help guys, hugely appreciated!
Ruth
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Sorry @charchar, I don’t understand how you overcame the “error message with no other options” problem.
I’m stopped just at this point…
Hello!
If the user is new to Discourse, then, after authentication, a window appears with the data of the new user. Is it possible to somehow create a Discourse user automatically, without showing this window? The user is already created on Auth0 …
It is not currently possible, but we hope to add it soon
https://meta.discourse.org/t/openid-connect-authentication-plugin/103632/56?u=david
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Is the same situation with the discourse-saml plugin?
The SAML plugin creates the user automatically. We’re planning to make the same functionality available in other plugins.
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Is there an update on this?
I’ve got a site that’s using oauth2-basic with auth0. It is the only auth method available and local logins are disabled. New users are not getting created on the Discourse side and logins fail silently, so there is no way to add new users. It’s not clear if this started at the beta9 upgrade or when we switched to oauth2-basic some weeks ago.
At this point, even having to click through a “create your account” screen would be totally fine.
EDIT: A theme component was keeping the new user modal from popping up. Still interested in skipping that step, though.
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It helps to know that setting logout redirect to https://SITENAME.auth0.com/v2/logout (or https://SITENAME.auth0.com/v2/logout?returnTo=SOME_URL_THAT_IS_IN_ALLOWED_LOGOUT_URLS') then logging out of Discourse will log out of auth0.
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¡Ahora está disponible en TODOS LOS COMPLEMENTOS 
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Pude seguir la guía para configurar SSO usando Auth0 y todo funciona correctamente. Sin embargo, cuando se actualiza el avatar_url en Auth0, no se refleja en Discourse. He intentado iniciar y cerrar sesión tanto con cuentas de administrador como de usuario regular. Para aclarar: el avatar se establece correctamente al registrarse, pero no se actualiza posteriormente en Discourse. Puedo ver la salida de depuración en los registros y el user_json sí contiene el avatar_url actualizado.
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@blake ¿podrías decirme si se trata de un problema conocido o si necesito corregir algo en mi configuración?
Al final, desactivé el plugin oauth2_basic y seguí el flujo de SSO usando las reglas de Auth0, como se describe aquí: https://blog.leog.me/discourse-sso-with-auth0-e49486d0294a
Un cambio que hice fue almacenar el sso_secret en la configuración de las reglas en lugar de en los metadatos de la aplicación.
Incluya también el client_id
https://auth0.com/docs/logout/redirect-users-after-logout