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[Abstract] This article explores the root causes of IT projects failure of various IT application domains. The primary focus is to address the various issues responsible for IT projects failure to understand the root causes of the failure. The literature review indicates that failure of IT projects can be attributed to six generic root causes, the main categories of the taxonomy. This study investigates the root causes of failure from two major areas: common factors of failure and specific causes existing, which generalize the taxonomy. The study concludes that any reason of IT project failure can be related to one of the six categories in the taxonomy independent of the application domain.
Keywords] IT project failure; taxonomy; root causes
Introduction
Failure has been synonymous with many IT projects over the last four decades. Reasons for failure have been attributed to technological difficulties, organizational and functional problems, managerial issues, and many other reasons. Traditionally, a project should deliver agreed upon functionality on time and within estimated budget according to Keider (1974) and Saleh (2005). A comprehensive study conducted by Standish Group International in 1995, which included several thousands of IT project revealed that only 16% of those projects were finished on time, and within the estimated budget; 32% were terminated before they were completed, while the remaining 52% involved costs higher than the original estimates and were completed behind their schedule (Standish Group, 1994). Another study conducted in the UK by Oxford University and Computer Weekly in 2003 reported, strikingly, that only 16% of the IT projects reviewed were considered successful (Sauer & Cuthbertson, 2003).
IT projects have been considered a tough undertaking and have certain characteristics that make them different from other engineering projects and increase the chances of their failure. Such characteristics are classified in seven categories (Peffers, Gengler & Tuunanen, 2003; Salmeron & Herrero, 2005): 1) abstract constraints which generate unrealistic expectations and overambitious projects; 2) difficulty of visualization, which has been attributed to senior management asking for over- ambitious or impossible functions, the IT project representation is not understandable for all stakeholders, and the late detection of problems (intangible product); 3) excessive perception of flexibility, which contributes to time and budget overrun and frequent requests of changes by the users;...