Greenfield: the complete migration of the SAP ERP with a new S/4HANA installation

Migration to SAP S/4HANA opens up new opportunities, and choosing the most appropriate method can be challenging. The option represented by Greenfield migration is a strategic choice for a complete ERP transformation, compared with other paths such as Brownfield (technical conversion) or Bluefield (hybrid path).

Principle and benefits of SAP Greenfield migration

The Greenfield approach consists of completely replacing the existing SAP ECC system with a new S/4HANA installation. This strategy makes it possible to start fresh and take full advantage of S/4HANA’s modern architecture and innovative features to gain efficiency, competitiveness, and agility. It is a true in-depth transformation!

The key benefits of SAP Greenfield migration

  1. Process optimization: toward operational excellence
    Greenfield migration makes it possible to start from a solid foundation and review business processes by relying on the best practices built into S/4HANA and Cadexpress prepackaged solutions. This reset provides an opportunity to eliminate inefficiencies, redundancies, and data silos, which are sources of wasted time and resources. By drawing inspiration from the new process models offered by S/4HANA, it is possible to streamline workflows, simplify employees’ daily tasks and, as a result, boost their productivity. This process optimization leads to better decision-making, reduced operating costs, and improved customer satisfaction.
  2. Elimination of custom developments: cost control and simplification
    Over time, SAP ECC systems have often accumulated custom developments, created to meet one-off needs or work around technical limitations. These developments, often disparate and undocumented, can become sources of high maintenance costs, increased complexity, and error risks. Greenfield migration offers the opportunity to get rid of these unnecessary developments and significantly improve the ERP system by simplifying it to make future evolution easier.
  3. Innovation: becoming a disruptive player in your market
    S/4HANA is not just an ERP; it is also an innovation platform that integrates cutting-edge technologies such as artificial intelligence (AI), machine learning, and the Internet of Things (IoT). Greenfield migration makes it possible to fully leverage these innovations available in SAP Business Technology Platform to develop new products and services, optimize the supply chain, personalize the customer experience and, why not, create new business models.
    By adopting a Greenfield approach, you give yourself the means to stay ahead of your competitors and become a leading player in your market in terms of innovation and digital transformation.
  4. Optimized total cost of ownership (TCO): greater value creation
    While the cost of a Greenfield migration may seem high, it is important to consider the tangible and intangible benefits it delivers over the long term. Indeed, eliminating custom developments, optimizing processes, and improving operational efficiency in SAP S/4HANA significantly reduce ERP maintenance and operating costs.
    In addition, the innovation and disruption enabled by Greenfield migration can lead to increased revenue and improved profitability. As a result, this migration method proves to be a profitable long-term investment that maximizes the ERP’s added value.

How to succeed with a Greenfield migration?

To ensure the success of a Greenfield migration, you need to implement rigorous planning and execution, while ensuring full involvement from all stakeholders in the project. Here are a few important steps to follow:

  • Opportunity assessment : conduct an in-depth assessment with SAP experts such as TVH Consulting to identify specific business needs and the potential benefits of Greenfield migration.
  • Definition of a strategic vision : it must be translated into concrete Greenfield migration objectives, along with the organizational changes needed to make the transformation a success.
  • Detailed planning and precise costing : the migration plan must be comprehensive and include the timeline, required resources, estimated costs, and potential risks.
  • Selection of the right tools : many tools are available to facilitate Greenfield migration, including SAP Migration Tools, for data and object conversion.
  • Change management : user communication and training are key elements for a successful Greenfield migration. It is essential to inform users of the major upcoming changes and train them on the new S/4HANA features.

Greenfield migration for SAP S/4HANA offers a bold and strategic way to transform the ERP in depth. This approach is particularly well suited to companies seeking maximum process optimization, elimination of custom developments, and the highest level of innovation.

Feel free to download our passport to go further and better compare the different possible approaches for your migration: