You will receive a warning message regarding AD FS custom pages as below: Open AD FS console on your AD FS server version 2019, expand Service » Authentication Methods » Select option: Allow additional authentication providers as primary As mentioned previously, Azure MFA can be used as well. In case you have MFA Server environment setup, I will consider one already deployed MFA Server connector setup. If you plan to use Azure MFA with AD FS, but currently don’t have the service configured, check this official documentation to have it configured: Configure AD FS 2016 and Azure MFA | Microsoft DocsĮnabling the MFA Server as the primary authentication method To check the full list of supported adapters, please check this link. On this article, we’ll setup Azure Multi-Factor Authentication Server adapter, but these steps can be applied to Azure MFA adapter or any third-party additional authentication method supported by AD FS. Today we’re going to share how to enable additional authentication method to be used as primary authentication on AD FS.

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