If you use the UserPrincipalName parameter, you don't need to use the AzureADAuthorizationEndpointUri parameter for MFA or federated consumers in environments that Generally call for it (UserPrincipalName or AzureADAuthorizationEndpointUri is required; Alright to use equally). Tenants provisioned after June 2023 have Entra B2B integration enabled by default and they are https://frankp690yca2.blogsmine.com/profile