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Expertum – Start smart: 8 steps to prepare for a smooth brownfield migration

  • Jul 7, 2025
  • 1 min read

Updated: Apr 22

By Cindy Huyghens - Expertum



In SAP terms, a brownfield migration implies upgrading your existing SAP ECC system to SAP S/4HANA without the need to start from scratch all over again. You can keep your current setup — such as data, custom developments and business processes — and convert them to the new platform. However, a brownfield migration requires proper preparation and a clear timeline. The earlier you start, the better you can manage risks, seize opportunities and stay on track with your goals. Factors like system complexity, data volume, process changes and business involvement will all play a role in shaping your timeline.



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