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Sorry, I tried many solutions to configure correctly the keycloak version 21, but I don´t know why I still see this error, for exemple:

Access to XMLHttpRequest at 'http://localhost:8080/auth/realms/arqgrifo/.well-known/openid-configuration' from origin 'https://localhost:44337' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

and in my keycloak client app settings, I have enter image description here

Stephany Henrique
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  • Does this answer your question? [KeyCloak : No 'Access-Control-Allow-Origin' header is present on the requested resource](https://stackoverflow.com/questions/59018604/keycloak-no-access-control-allow-origin-header-is-present-on-the-requested-r) – JuanR Apr 11 '23 at 13:38
  • Hi, It did not worked for me. I still have the same error – Stephany Henrique Apr 11 '23 at 13:48
  • Is your keycloak or your client hosted in an IIS? – Jesper Apr 13 '23 at 07:34

2 Answers2

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Make sure that if your keycloak or your client is hosted in an IIS that HTTP Response Headers is not set to add a CORS policy-header. I.E. remove any added CORS policy in your IIS manager under HTTP Response Headers.

Jesper
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I found the problem. In new keycloak version, we don´t use the url with "auth", so deleting this word of the url everything works

Stephany Henrique
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