Erp vs Legacy System

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Ng, Martin M. T., School of Computing, National University of Singapore, 3 Science Drive 2 Singapore 117543, Tan, Michael T. K., School of Computing, National University of Singapore, 3 Science Drive 2 Singapore 117543,

Being hailed as possessing the ability to “drive effective business reengineering and management of core and support processes”, it is not surprising that Enterprise Resource Planning (ERP) systems have been adopted by more than 60% of Fortune 500 companies as at the turn of the century. In contrast, negative connotations have been commonly known to be attached to legacy systems and inhouse developed systems. But
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This has resulted in increased recognition for research effort to be placed on the impact of the relationship between IT support staff and their information systems. As such, this study will focus primarily on the perspectives of the IT support staff. In this study, we investigate the relative positions of the ERP package vis-a-vis the legacy and inhouse developed systems existing within a large government authority in Singapore by noting the difference in attitudes of IT support personnel towards the systems. In particular, we adopt symbolic interactionism as the informing theoretical perspective. Doing so allows this study to differ from prior research, providing valuable insights through the use of a fresh perspective that has been underutilized in IS research, in spite of its obvious theoretical strengths (Prasad 1993).



Over the years, ERP has served as a powerful and comprehensive tool in aiding organizations on managing their businesses. In fact, it can be regarded as one of the most innovative developments in the information technology of the 1990s, exhibiting both pervasiveness and prominence. Despite the large installed base of ERP systems, academic research in this area is relatively new and related publications within the IS academic community are only now emerging.
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