If you employ the UserPrincipalName parameter, you needn't use the AzureADAuthorizationEndpointUri parameter for MFA or federated users in environments that Usually have to have it (UserPrincipalName or AzureADAuthorizationEndpointUri is needed; OK to utilize both equally). Tenants provisioned after June 2023 have Entra B2B integration enabled by default and they are https://englandi320oal3.wannawiki.com/user