I'm trying to configure Just-In-Time provisioning for Salesforce Communities, but can't get the pieces to talk to each other.
This except from the Community Implementation Guide seems to suggest that
portal_id isn't needed for JIT provisioning in Communities, but there isn't good information about what is required.
I've provided SAML Attributes with all of the required fields. Authentication works properly for existing users, but does not successfully provision a new account. Validating the SAML Assertion yields this error message: