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Azure-Samples / active-directory-aspnetcore-webapp-openidconnect-v2

An ASP.NET Core Web App which lets sign-in users (including in your org, many orgs, orgs + personal accounts, sovereign clouds) and call Web APIs (including Microsoft Graph)
MIT License
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[Azure AD B2C] AADB2C90057: The provided application is not configured to allow the 'OAuth' Implicit flow #739

Open kengaderdus opened 11 months ago

kengaderdus commented 11 months ago

Microsoft.Identity.Web version

2.15.2

Web app sign-in

1-WebApp-OIDC/1-5-B2C

Web API (call Graph or downstream APIs)

Not applicable

Deploy to Azure

Not applicable

Auth Z

Not applicable

Description

After I hit sign-in button, I see this error:

AADB2C90057: The provided application is not configured to allow the 'OAuth' Implicit flow. The app worked as expected 6 months ago.

Reproduction steps

Use the steps in this article: https://learn.microsoft.com/en-us/azure/active-directory-b2c/configure-authentication-sample-web-app?tabs=visual-studio

Error message

AADB2C90057: The provided application is not configured to allow the 'OAuth' Implicit flow

Id Web logs

info: Microsoft.AspNetCore.Mvc.ChallengeResult[1] Executing ChallengeResult with authentication schemes (OpenIdConnect). info: Microsoft.AspNetCore.Authentication.OpenIdConnect.OpenIdConnectHandler[12] AuthenticationScheme: OpenIdConnect was challenged. info: Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker[105] Executed action Microsoft.Identity.Web.UI.Areas.MicrosoftIdentity.Controllers.AccountController.SignIn (Microsoft.Identity.Web.UI) in 0.6875ms info: Microsoft.AspNetCore.Routing.EndpointMiddleware[1] Executed endpoint 'Microsoft.Identity.Web.UI.Areas.MicrosoftIdentity.Controllers.AccountController.SignIn (Microsoft.Identity.Web.UI)' info: Microsoft.AspNetCore.Hosting.Diagnostics[2] Request finished HTTP/2 GET https://localhost:44316/MicrosoftIdentity/Account/SignIn? - - - 302 0 - 1.0263ms
info: Microsoft.AspNetCore.Hosting.Diagnostics[1] Request starting HTTP/2 POST https://localhost:44316/signin-oidc application/x-www-form-urlencoded 561 fail: Microsoft.AspNetCore.Authentication.OpenIdConnect.OpenIdConnectHandler[12] Message contains error: 'unauthorized_client', error_description: 'AADB2C90057: The provided application is not configured to allow the 'OAuth' Implicit flow. Correlation ID: 8927928d-fd2d-4d4c-a512-585c459d745e Timestamp: 2023-11-08 12:40:17Z ', error_uri: 'error_uri is null'

Relevant code snippets

Refer to the code sample.

Regression

2.15.2

Expected behavior

I expect to successfully sign in or sign up, then obtain an ID token.

markjerz commented 5 months ago

Did you manage to fix this?