After I changed my website domain from discourse.wuyuan.dev to kernyr.wuyuan.dev, I found that I was unable to update the discourse ID information; it kept showing an error message. The requested redirect uri is malformed or doesn’t match client redirect URI. [image]

Have you tried regenerating it after you changed the domain? At /admin/config/login-and-authentication/discourse-id there is a button to do that [Screenshot_20260124_092212_Firefox] If that doesn’t help, the steps described in this topic should help: Changing domain names prevents Discourse ID fr…

The Discourse ID cannot be used after changing the forum domain

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wuyuan (wuyuan) January 24, 2026, 8:56am 3

Regenerating the credentials didn’t work, but the method in that post did. Thank you for finding it for me.

2 Likes

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The Discourse ID cannot be used after changing the forum domain

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