With the conversion from SAP ERP to SAP S/4HANA, the concept of classic customers and vendors is a thing of the past. SAP Business Partner is now the leading object for processing master data information for customers and vendors. Transactions such as FD01/FK01, FD02/FK02 and XK01/XK02 are automatically redirected to the leading transaction BP. Business Partner overview Business Partner as vendor (supplier) including finance and purchasing views Business Partner as customer including finance and sales views and credit management Business partner – employee integration Migration challenges and approaches