The most important thing for developing an ERP system is that you should begin with a vision and build a blueprint for it. The blueprint is necessary for developing an ERP system and it includes each business function leader, the IT department, and the ERP Software developers who eventually develop the ERP systems. Determine the modules to be included and for each module, there will be an ERP application development. The Technologies ? ERP Software Development -Information in a pre-ERP system is passed from person to person. In an ERP model, this happens automatically. The role of people involved in developing an ERP system is to ensure that the information being passed along is accurate and timely. The information is passed in many directions as it is accessed.