Enterprise resource planning (ERP) systems are software packages, integrates different functions, facilitates information flow, equipped with standard practices are the latest Information technology tools for effective business management of large, small and medium scale enterprises. Even after four decades since their inception, developed and reached a level of what they are today are imperfect and not sufficient enough to satisfy the overall expectations of an organization. Like anything else ERP systems are also tends to become obsolete and less effective with age. As the business process evolve over the time and if the ERP system is static and no longer support the strategic plan of the organization, if older ERP vendor is out of business, legacy ERP system has been customized over customized many times over the years, replacing an ERP system is an opportunity to refine, simplify or expand the functionality of the organization. As part of our research work, by taking as a case study, this paper describes the implementation experience of an ERP system for the first time in an organization and after some years of use, they are replacing the existing one with the new ERP system to expand their business market globally. This paper also describes reasons for replacement, the features, impacts / benefits, cost of ownership, change management of new system and other related issues.