Similar to this issue Can't setup Discourse ID: Application with this redirect URI already exists My self-hosted Discourse has this exact error. But the thread above was already closed and didn’t see the answer on how to fix, but happy that issue was resolved. Is it possible to help my forum as wel…

This should be resolved via PM now. The original issue was that this instance was registered a while ago, the server has issues, so the site manager had to reinstall Discourse and the credentials didn’t carry over.

Impossible de configurer l'ID Discourse : l'URI de redirection existe déjà

Soutien

pmusaraj (Penar Musaraj) Mars 9, 2026, 2:02 14

Envoyez-moi un message privé avec le nom de domaine de votre site et je vous aiderai à résoudre ce problème. Nous sommes désolés pour ce désagrément, nous travaillons sur une solution plus simple.

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Can't set up Discourse ID: Application with this redirect URI already exists Self-hosting discourse-id	2	28	Mars 9, 2026
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Impossible de configurer l'ID Discourse : l'URI de redirection existe déjà

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