Configure Auth0 as a Service and Identity Provider
When using Auth0 as both the SAML Service and Identity Provider, you need to configure two federations:
Using Two Auth0 Tenants
The section above assumes that you're using the same Auth0 tenant as the service provider and the identity provider. However, you can also implement a SAML scenario using two Auth0 tenants (usually for testing purposes), where one tenant acts as the identity provider and the other acts as the service provider.