PT XYZ is a state-owned company that implements SAP-based ERP system as the part of its IT Governance. However there are many problems that occur since the implementation process is carried out, there are a lot of user complaints related to the system and some users do not understand the use of the system which results in obstruction of their work (blockers). This cause some negative impacts on the company, especially related to financial aspects and employee productivity. Therefore, it is necessary to conduct a study to evaluate what factors influence the success of the implementation process and after that this research will suggest recommendations related to these factors. This study uses a research model adapted from DM Model, TAM, and ERP CSF. Research variables in this study are Information Quality (IQ), System Quality (SYQ), and Service Quality (SEQ), Perceived Usefulness (PU), Perceived Ease of Use (PE), and Project Success (PS). Data processing and analysis methods in this study used a statistical descriptive analysis approach and SEM-PLS variant analysis. The results of this research are, PS positively affected by PU and PE, PE is positively affected SYQ and SEQ, and PU is positively affected by SYQ, SEQ, and IQ.