1) In 1999, Hershey Foods failed in its deployment of multiple new ERP systems from SAP and other vendors due to overambitious timelines and simultaneous implementations. 2) However, in 2002 Hershey successfully upgraded its SAP system, completing the upgrade under budget and without disruptions while realizing over 30 business process improvements. 3) Hershey's initial failure was due to poor management decisions around scope and timelines for implementation, but later success was attributed to strong program management, planning, and testing.