Can enterprise app (non-gallery) be exposed to B2C users?

ScottM 331 Reputation points
2020-07-14T16:00:12.257+00:00

Have a SPA enterprise app for initial use by company employees (Azure AD authentication). Can this same app also be configured to integrate with Azure B2C so that external customers can authenticate / use this app as well?

Microsoft Entra External ID
Microsoft Entra External ID
A modern identity solution for securing access to customer, citizen and partner-facing apps and services. It is the converged platform of Azure AD External Identities B2B and B2C. Replaces Azure Active Directory External Identities.
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Microsoft Entra ID
Microsoft Entra ID
A Microsoft Entra identity service that provides identity management and access control capabilities. Replaces Azure Active Directory.
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  1. AmanpreetSingh-MSFT 56,646 Reputation points
    2020-07-14T16:23:43.78+00:00

    Hello @ScottM-7356

    The enterprise app (non-gallery) cannot be used with Azure AD B2C. Even though the corresponding application appears under the App Registration blade, that application can't be exposed to B2C users. If you try to do that, you will get below error while authenticating via B2C tenant:

    AADB2C90068: The provided application with ID 'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx' is not valid against this service. Please use an application created via the B2C portal and try again.

    The application needs to be created via App Registration section in the B2C tenant.

    Please do not forget to "Accept the answer" wherever the information provided helps you. This will help others in the community as well.

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