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I have configured Azure AD multi-tenant autentication by following this article: https://docs.microsoft.com/en-us/azure/active-directory-b2c/identity-provider-azure-ad-multi-tenant-custom?tabs=applications
The authentication worked on friday last week, but now its suddenly failing. I tried to re-register the application in Azure AD with new App Id and new App secret that was added in both ends.
Error i'm getting:
Sorry, but we’re having trouble with signing you in. AADSTS9002325: Proof Key for Code Exchange is required for cross-origin authorization code redemption.
Am I overlooking something obvious?
Authentication is used with a SPA Web App using React with react-aad-msal
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Allowing users from multiple Azure AD tenants to sign in using Azure AD B2C, without you having to configure an identity provider for each tenant. However, guest members in any of these tenants will not be able to sign in. For that, you need to individually configure each tenant.
Azure AD and Azure AD B2C are separate product offerings and cannot coexist in the same tenant.
Azure AD B2C provides various ways in which users can authenticate a user. Users can sign-in to a local account, by using username and password, phone verification (also known as password-less authentication). Email sign-up is enabled by default in your local account identity provider settings.
Azure AD B2B collaboration enables users to use one set of credentials to sign in to multiple tenants. For educational institutions, the benefits of B2B collaboration include: Centralized administration team managing multiple tenants.
Solution: Changed platform configuration from SPA to Web solved it.
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