How to fix Azure AD login error AADSTS50172: External claims provider is not approved.

Question

Hello,
I have created a custom conditional access to use my MFA on Azure AD, but I cannot finish the authentication process.

The following error is displayed when the MFA is activated during the authentication process.

You can seen my custom configuration :

Can you help me understand and fix this error?

Thanks !

Kind regards,

Answer 1

If that is not an approved 3rd party provider, then it wont work.

The list:

These non-Microsoft identity providers were previously validated for compatibility:

• Azure Active Directory • AuthAnvil Single Sign On 4.5 • BIG-IP with Access Policy Manager BIG-IP ver. 11.3x – 11.6x • BitGlass • CA Secure Cloud • CA SiteMinder 12.52 • Centrify • Citrix • Dell One Identity Cloud Access Manager v7.1 • DigitalPersona Composite Authentication • ForgeRock Identity Platform Access Management V5.x • IBM Tivoli Federated Identity Manager 6.2.2 • IceWall Federation Version 3.0 • Memority • NetIQ Access Manager 4.x • Okta • OneLogin • Optimal IDM Virtual Identity Server Federation Services • PingFederate 6.11, 7.2, 8.x • RadiantOne CFS 3.0 • Sailpoint IdentityNow • SecureAuth IdP 7.2.0 • Sign&go 5.3 • SoftBank Technology Online Service Gate • VMware Workspace One

Important Since these are third-party products, Microsoft does not provide support for the deployment, configuration, troubleshooting, best practices, etc. issues and questions regarding these identity providers. For support and questions regarding these identity providers, contact the supported third-parties directly

You can download the list here:

https://www.microsoft.com/en-us/download/details.aspx?id=56843