When should you stay on EBS R12, when should you migrate to Fusion Cloud, and what changes for your team?
Key takeaways
- The decision is an operating-model choice, not simply a hosting comparison.
- Customisation, integration and data complexity determine migration effort.
- A phased coexistence roadmap can be more practical than a single cutover.
Begin with business direction
EBS can remain appropriate where it is stable, deeply embedded and economically supportable. Fusion Cloud becomes compelling when standardisation, continuous innovation, scalability and reduced infrastructure ownership align with enterprise direction.
The right assessment therefore starts with target processes, acquisition plans, geographic expansion, control requirements and the organisation's appetite for quarterly change.
Assess the real migration surface
Module counts alone do not describe complexity. Build an evidence-based inventory of extensions, interfaces, reports, data volumes, security roles and dependent processes before selecting a roadmap.
- Retire customisations that no longer create differentiated value.
- Separate statutory requirements from historical preferences.
- Classify integrations by criticality, owner and replacement path.
- Define archive and reconciliation requirements early.
Choose a transition pattern
Enterprises typically choose a phased module migration, a business-unit rollout, coexistence, or a broader transformation. Compare these patterns using business disruption, dependency, control and internal capacity—not timeline alone.
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