Executive summary

A diagnostic for programme teams who must show, object by object, that migrated data arrived complete and correct. It helps them find evidence gaps before a cutover or go-live gate rather than after it.

What is inside

What this diagnostic covers

A reconciliation method with written formulas for counts, values, rejections, accuracy and defects. A six-dimension evidence scoring model with anchors and gating rules. A diagnostic questionnaire, an evidence inventory register, a reconciliation worksheet, a clinic challenge log and a tolerance sheet. Role-based execution, gate and KPI tables. A synthetic worked example, a failure case, a phased-migration variant and a practice exercise.

  • Purpose and decision
  • Context and applicability
  • Inputs and evidence
  • Definitions and assumptions
  • Method and analytical logic
  • Current-state assessment
  • Options and business case
  • Recommended design
  • Execution and activation
  • Governance and risk
  • Measurement and benefits
  • Worked example and practice
  • Working tools and references