This study aims to determine the effect of the quality of accounting information systems, the quality of accounting information, the security of accounting information systems on end user satisfaction of the S4/HANA System Application Product (SAP) with perceived usefulness as a moderating variable at PT Hakaaston. This study took a population and samples from internal users (users) System Application Product (SAP) S4/HANA on PT Hakaaston. The results of this study indicate that quality of accounting information system and quality of accounting information take effect positive significant on end user satisfaction of S4/HANA System Application Product (SAP) , meanwhile accounting information system security is not take effect positive significant on S4/HANA System Application Product (SAP) end user satisfaction . Then, the quality of accounting information systems, the quality of accounting information and the security of accounting information systems have an effect positive significant on perceived usefulness. Next, perceived usefulness no take effect positive significant on S4/HANA System Application Product (SAP) end user satisfaction. Perceived Usefulness no take effect positive significant in moderate connection Among quality system information accounting, quality of accounting information and security of accounting information systems with satisfaction user end System Application Product (SAP) S4/HANA at PT Hakaaston.