Pre-requisits to setup things on AD B2C before the SAML setup

Prashant N 1 Reputation point


Wanted to know what and all should be in place on AD B2C instance before we start configuring the AD B2C with any external application for SSO using SAML. Basically after procuring of the new AD B2C instance, what configurations should be in place on AD B2C for SSO.

Azure Active Directory External Identities
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  1. AmanpreetSingh-MSFT 55,406 Reputation points

    Hi @Prashant N • Thank you for reaching out. Please find below the steps that you need to perform and the detailed documentation for step by step walkthrough.

    1. First, you need to set up signing certificates, create the policy key, and upload the certificate.
    2. Enable your policy to connect with a SAML application by configuring the SAML Technical Profiles in the TrustFrameworkExtension file.
    3. Configure your policy to issue a SAML response by configuring the signup_signin file.
    4. Register your SAML application in Azure AD B2C using Azure AD B2C > App registrations > New registration
    5. Configure Azure AD B2C as a SAML IdP in your SAML application by providing B2C metadata URL in the application configuration. Example of B2C metadata URL: https://<tenant-name><tenant-name><policy-name>/Samlp/metadata.

    For step-by-step instructions and a detailed walkthrough of these steps, please refer to Register a SAML application in Azure AD B2C.


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