Conversion from one information system IS to another is common in all organizations, regardless of type, size or location. On the human side, procedures must be changed and people must be, if not changed, at least moved in the sense of change theory e.

Effective management of conversion is vital to the long-term success of any IS. Choosing a conversion strategy from one information technology environment to a new one is not easy. A conversion effort may affect any of the four IT components to varying degrees, as well as the human and procedural components of the IS as a whole.

The aim of this article is to provide an overall framework of information system conversion, including all aspects of the information system. It also updates the literature to provide a view of conversion, both to provide guidance to professionals faced with a new conversion situation and to serve as a basis for future research in this area. An information system consists of five components: Figure 1, adapted from that source, shows the relationships.

All five IT components must be considered in any conversion. Conversion of any element may impact elements to either side. For example, database conversion will affect usage procedures to its right ; a new application may require hardware changes to its left. This may be after a natural activity break such as overnight.

The organization ends one day using the old system, begins the next day with the new. This is the riskiest method: Lee discusses how the Nevada Department of Motor Vehicles gave itself problems by using it. Other methods reduce this risk. Part of an organization uses the new system while the rest of it continues to use the old.

This localizes problems to the pilot group so support resources can focus on it. However, there can be interface issues where organizational units share data. Part of the new system is introduced while the rest of the old one remains in use.

This localizes problems to the new module so support resources can focus on it. However, there can be interface issues where modules share data. The new system is introduced while the old one is still in use. Both systems process all activity and the results are compared.

Parallel conversion | Article about parallel conversion by The Free Dictionary

Once there is confidence that the new one operates properly, the old one is shut down. Shopping Cart Login Register Language: All Products All Products Books Journals Videos Book Chapters Journal Articles Video Lessons Teaching Cases. Pre-Order the Encyclopedia of Information Science and Technology, Fourth Edition 10 Volumes.

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Mallach University of Massachusetts Dartmouth, USA. Managing Adaptability, Intervention, and People in Enterprise Information Systems. Abstract Information system conversion has been with us since users of punched-card tabulating systems first moved to vacuum-tube computers. However, it has generally been seen as an afterthought: This article attempts to view the process holistically, from both the technical and human viewpoints, reflecting the fact that information systems have both technical and human components.

It shows how ignoring one side or the other can lead to problems, which can be avoided if all aspects are considered together.

Cutover Planning & Management

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