Enterprise Resource Planning (ERP) systems have become an essential information systems infrastructure for large organisations. However ERP implementations are complex and fraught with problems. Similar to other information system projects many of these problems are not technological but rather human related. The impact of people issues on ERP implementations are often underestimated or overlooked. Effective change management strategies would address many of these issues. This research looks into the change management practices of Australian companies and identifies the main success factors and barriers associated with effective management strategies in ERP implementations.