The paper aims at emphasizing the significantfactors determining IT project success and provides useful insides regardingthe factors contributing to the IT projects’ failure. The paper presentstheoretical considerations and approaches on IT project success and failurefield and corroborates these findings with authors’ research conclusionsretained from an empirical study case on two real ERP implementation projects.The paper emphasizes the advantages brought by the ERP solutions reflected inthe business increase and business improved organization and control. Theauthors focus their attention on the success factors of the project emphasizingthe importance of the organization’s change culture and the adequatechange management process, the full commitment of the management and the needof employees’ awareness of change and implication in the project. The authors’research results provide useful insides aiming at increasing the likelihood ofIT projects’ success. The authors consider that the lessons retained from thepast mistakes, can help practitioners to gain the knowledge to avoid them inthe new projects. Our research conclusions aim at helping project managers toimprove the IT project risk assessment process and practitioners in their riskunderstanding and action.