The Dynamics CRM Security Provider version 2.1 reads only the following properties from the CRM system:
Any other properties, for example the passwordFieldName for CRMMembershipProvider or custom properties for CRMProfileProvider, are unavailable.
This applies to all versions of Dynamics CRM Campaign Integration.
A hotfix for Microsoft Dynamics CRM Security Provider 2.1 rev. 150403 is available on request.
To get the hotfix, please contact Sitecore Support via support.sitecore.net using the reference number 438309.