Solution : https://service.sap.com/sap/support/notes/929401 (SAP Service marketplace login required)
Key words :
respective outbound queue hangs, terms bp_exchange_crm_to_r3_bp solution import, system correctly copies, relevant support package, attached advance correction, mandatory partner roles, 'business partner, 'media customer', 'sales customer', 'retailer' role
Related Notes :
436843 | IS-M/CRM: Business partner exchange between CRM and IS-M |