When our company finally committed to converting from ECC to S/4HANA, I was both excited and terrified. This post is a full breakdown of our conversion experience — from planning to go-live — with honest insights into what went smoothly and what nearly derailed us.
Subtopics & Answers:
Why we chose system conversion over new implementation We had years of custom development and master data we couldn’t afford to rebuild.
Pre-checks and readiness assessment Using SAP Readiness Check helped us identify incompatible add-ons and obsolete transactions.
Key technical steps in the conversion SUM tool, database migration to HANA, and custom code remediation — I explain each phase.
Challenges we faced Unicode conversion, downtime planning, and adapting to Fiori apps.
Post-conversion stabilization Performance tuning, user training, and fixing broken interfaces.
Lessons learned and advice for others Start early, document everything, and don’t underestimate te
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