This document provides an overview of enterprise resource planning (ERP) systems, including their history and evolution. ERP systems integrate internal and external management of information across an entire organization, including functions like finance, manufacturing, sales, and customer relationship management. The document discusses leading ERP providers like SAP, Oracle, and Infor. It also examines factors that can cause ERP implementations to fail, such as employee resistance, lack of management commitment, unrealistic expectations, and extensive customization. The document analyzes FoxMeyer's failed ERP implementation in the 1990s as a case study, highlighting risks like unrealistic scope, poor execution, and a challenging environment. Lessons are provided around planning, implementation, testing, and change management