Prerequisites Before replicating serial numbers from SAP ECC, you must perform the following tasks: • Define the standard settings for replication in Customizing: Customer Relationship Management Master Data Installed Base Replication of Equipment from SAP ECC Customer Service (CS) Define Default Settings for Equipment Replication. • Download materials and business partners from SAP ECC to SAP CRM. • Optionally, use the Equipment Download ( CRM_EQUI_LOAD ) Business Add-In to enhance the data transfer and validation in SAP CRM. The Add-In offers comprehensive options for influencing the mapping between equipment and objects. Note For more information see the Implementation Guide (IMG): Customer Relationship Management Master Data Installed Base Replication of Equipment from SAP ECC Customer Service (CS) Business Add-In: Equipment Download. Download Allison To Lillia Sub Indo there. Initial Load • Activate the SERIALNUMBER object (which is delivered as inactive) before starting the initial load.