Question

Contoso partners with a supplier organization that uses a third-party SAML 2.0 identity provider that is not backed by Microsoft Entra ID. Contoso wants supplier employees to sign in as guests to a shared SharePoint site using their existing SAML credentials, without Contoso having to create local passwords for them. Which External Identities configuration should the administrator implement?

Accepted Answer

Add a SAML/WS-Fed identity provider under External Identities and configure it for the supplier's domain

Answer

Enable Google federation under External Identities all identity providers

Answer

Configure a cross-tenant access policy inbound trust for the supplier's Microsoft Entra tenant

Answer

Enable email one-time passcode (OTP) authentication for guest users