Thesis from 2005 in the field of Computer Science - Business Informatics, grade: 1.0, University of Potsdam, course: Lecture on ERP Systems, 24 sources in the bibliography, language: German. Abstract: To support their business processes, most companies, especially larger ones, today use Enterprise Resource Planning (ERP) systems that encompass all essential operational areas. Many of the world's leading companies consider these systems essential for their IT infrastructure to remain competitive in today's economy. Sales figures and market penetration demonstrate the importance of ERP systems. According to a study from 2003, by that time the majority of companies were already using ERP systems.