The Expertum way: switching to SAP S/4HANA in four simple steps


As companies around the world switch to SAP S/4HANA, you may be wondering whether you should be doing the same. The answer is simple: you can, and this is how our SAP consultant Bert would go about it.

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First of all, let us reassure you: SAP will still be offering support for SAP ERP until the end of 2027, with an optional extension until 2030. As far as timing goes, there is absolutely no reason to rush into things. However, some interesting new functionalities and innovations, that will benefit your business, are only available on SAP S/4HANA. So, in terms of staying ahead of the curve and streamlining your processes, switching early does have its benefits.

There are three main approaches when switching to SAP S/4HANA:

  1. The new implementation or greenfield scenario, where SAP is re-implemented from scratch.
  2. The conversion or brownfield scenario, where your existing system is converted to SAP S/4HANA.
  3. The landscape transformation or selective data transition scenario, where several SAP or non-SAP systems are joined into a new SAP S/4HANA system.

When it comes to the conversion or brownfield scenario, we recommend switching to SAP S/4HANA in four phases to ensure a smooth and problem-free conversion: preparation, sandbox conversion, landscape conversion and post-conversion. Our custom SAP S/4HANA conversion methodology allows you to optimally prepare your system and company for the switch, making sure you receive the right support for performance and tuning after the switch. This way, we make sure your system continues to work smoothly and that all your data makes it to where it needs to be.

Looking into brownfield migration? Our technical consultants have prepared a technical guide with step-by-step instructions for all implementation stages.

SAP S/4HANA Conversion Methodology

Read all about the different conversion phases and our custom methodology in our expert whitepaper.

Download the whitepaper
SAP S/4HANA Conversion Methodology

About the author

Photo of Bert Vanstechelman
Bert Vanstechelman

Bert Vanstechelman is Chief Executive Officer at Expertum. He has more than 25 years of experience in SAP technical consulting, covering countless SAP versions in combination with all kinds of databases and operating systems supported by SAP. Bert specializes in platform migrations, SAP release upgrades, and SAP HANA conversions.

Read more articles by Bert Vanstechelman

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