Key Takeaways
- Stakeholder Collaboration is Critical – Rationalization involves multiple perspectives (e.g IT, finance, business, security). Engage the right stakeholders early to balance priorities and drive alignment.
- Governance Provides Structure – Use SAP LeanIX to document architecture decisions, track approvals, and ensure accountability.
- Architecture Decisions in SAP LeanIX – Capture rationalization choices (retirements, justifications, timelines) in a structured way for transparency and traceability.
- Establish Clear Governance Models – Set up an Architecture Review Board or integrate rationalization into EA governance to maintain momentum and discipline.
- Traceability Ensures Long-Term Success – Document decisions in SAP LeanIX to link strategy, costs, and stakeholders—preventing knowledge loss over time.