How to setup external claims provider

Question

I am trying to setup an Azure Conditional Access Policy using Custom Controls with an external claims provider. I have registered an application, however, during the conditional flow to my external identity provider, Azure gives an error:

Sorry, but we’re having trouble signing you in.

AADSTS50172: External claims provider 85889553-afad-4543-82e3-96377d8f47f7 is not approved.

I cannot find any specific reference to this error, or how to approve an external claims provider. Can you provide some guidance or document links that would here?

Thanks,

MIke.

Answer 1

I had a discussion with MS on this topic some time back. What I heard is, this feature would be revamped.
At the moment not all the 3rd party is supported.
List of supported identity providers

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