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Implementing Microsoft Dynamics AX 2012 with Sure Step 2012 by Andrew Birch, Keith Dunkinson

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Rebudgeting the project

A Fit Gap analysis is commonly enacted during the Diagnostic phase. The Fit Gap analysis identifies all customer requirements, and identifies whether they are a Gap or a Fit. From this Functional Design, documents can be created for Gaps and or Fits. As more details of requirements emerges, it is necessary to revisit the Fit Gap and revise any existing project documentation accordingly.

It is rare for a Fit Gap analysis and estimate not to need revision, but the variance will depend on the skill and diligence with which the diagnostic was enacted. We like to achieve a 75 percent accuracy or a tolerance of plus or minus 25 percent between a Guesstimate and a Diagnostic phase, and a 90 percent accuracy between a Diagnostic ...

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