SAP S/4HANA Migration · Greenfield: SAP Activate & New Implementation

The Discover and Prepare phases both happen before any building begins. What specifically gets decided in each, and what's the boundary between them?

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More in Greenfield: SAP Activate & New Implementation

A team says "we're doing a greenfield new implementation" — but that label still hides a choice about what carries over. What are the two new-implementation variants, and what situation picks each?

For a very old SAP ERP release (the system is 20+ years old, or below the release that even allows a conversion), why is a new implementation often the faster route — not just the cleaner one?

Besides "a new company that has never used SAP," when is a greenfield new implementation the recommended path — and what single benefit ties those cases together?

During new-implementation planning you must decide which new business functions to adopt. Which SAP catalog do you compare current functions against, and what access does it require?

Greenfield returns you to the standard, yet you still have to look at the legacy system's custom code during planning. Which tool analyzes those enhancements?

You have an existing SAP ERP source system feeding the new build. What check should you run in simulation mode before committing, and where is it documented?

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