SAP S/4HANA Migration · Brownfield: Preparing System Conversion

Your custom programs post goods movements with MB01/MB11. What does the ATC run tell you, and is adapting them optional?

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More in Brownfield: Preparing System Conversion

Your prepare-phase SI checks all came back clean months ago. Can SUM still halt the actual conversion over simplification-item checks?

A system conversion is more than a technical procedure — what second dimension of work will bite you if you plan only the software install?

Which single tool actually installs the S/4HANA software during a conversion, and how does SAP keep that tool current?

Your source ERP still runs on AnyDB, not HANA. Which SUM component performs the database swap during conversion, and does it move the app server?

Why can't you convert just the production system, and what step is mandatory for a conversion that you might skip for an ordinary upgrade?

What is the very first conversion run in a project, and what does that sandbox run buy you before you touch the development system?

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