Approaches to Change Management in Enterprise Wide Systems Implementations Enterprise Resource Planning (ERP) systems have become an essential information systems infrastructure for large organisations. However ERP implementations are complex and fraught with problems. One of the major issues facing these implementations is the development and implementation of effective change management programs. This research looks at the change management practices of thirty seven of Australia's leading companies and identifies the main success factors and barriers associated with their change management strategies.  --Presented at: The Fifth International Conference on Knowledge, Culture and Change in Organisations, University of the Aegean, Rhodes, Greece, 19-22 July, 2005