Symptom.
You have error CIM_ERR_ACCESS_DENIED in NWA Configuration Wizard. For example, CIM_ERR_ACCESS_DENIED: User is not allowed to write CIM instances for class SAP_InstalledProduct in domain SLD
This error occur, because user, which used in Destination SLD Data Supplier does NOT have the necessary authorization to write in the SLD.
Solution.
Simple way, add roles SAP_SLD_CONFIGURATOR and SAP_SLD_ADMINISTRATOR to user, which used in Destination SLD Data Supplier.