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Enterprise resource planning systems and legacy systems from menager perspective 2012 http://ezaposleni.singidunum.ac.rs/rest/sciNaucniRezultati/oai/record/1/668 http://www.menadzment.tf.bor.ac.rs/mksm.html D. Manojlov M. Lutovac Enterprise Resource Planning (ERP) systems Legacy systems are information systems packages that integrate information and information-based processes within and across functional areas in an organization. Contemporary ERP systems integrate business applications, such as general ledger, payroll, supply chain, manufacturing, human resources and many others, that are crucial for strategic and operational manager decisions. Legacy systems are usually considered as older information systems developed in wider range mostly as in-house systems. Legacy systems are already in use and well known by managers and employees. On the other hand, many new integrating functions, data horizontal and vertical integration with suppliers and distributors, or partner organizations are more difficult. ERP systems represent more than enhanced information processing technology, they also automate interdependencies among business processes, and they increase information security concerns, often! entail significant re-engineering efforts. Accordingly, the expanded scope of ERP systems can lead to heightened business risks and the potential for financial statement misstatements, misclassifications, and defalcations. Paper describes benefits and drawbacks of ERP systems as substitution of existing Legacy systems. conferenceObject 195 201 International May Conference on Strategic Management - IMKSM2012