I have set up federated portal and tested the connection.
I cannot view remote roles, I get the following error in the default trace
SOAP Fault Exception [Actor [prmhpu46.ce.corp.com] com.sapportals.portal.prt.service.soap.exception.SoapFaultHandler] : The U
ser Authentification is not correct to access to the Portal Service com.sap.portal.prt.soap.Bridge or the service was not fou
nd.