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Author's profile photo Robert Heer III

Custom code for SAP S/4HANA conversions

UPDATED December 12, 2019
Further webinar details for January

After a system conversion to SAP S/4HANA, some existing custom-code objects will not work anymore. As such, there is a need to identify these objects in order to:

  • be able to budget the adaptation tasks in pre-project phase
  • adapt these objects (if they are used and still relevant) in the realize phase of the project

You need to adapt custom code after a conversion to SAP S/4HANA. For this reason, SAP Enterprise Support Academy is offering a curriculum of several meet-the-expert (MTE) webinars. In this first part, you can learn from our experts:

  • Why custom code adaptations are needed in a conversion scenario
  • How to address and distinguish between changes required by the migration to SAP HANA and conversion to SAP S/4HANA respectively
  • The importance of SAP ABAP Test Cockpit (ATC) and ABAP development Toolkit before and during your SAP S/4HANA project
  • How to pick the most suitable of the four deployment options of the ATC for your given context/constraints
Before you can access the registration link, a one-time registration in SAP Learning Hub, edition for SAP Enterprise Support, is required. A detailed step-by step guide to registration can be found here.


Registration is open for the MTE sessions with live chat and open questions and answers
(recordings will be made available via the same link)

Custom Code for SAP S/4HANA Conversions: Methodology & Tools 

Replay from December 9, 2019

ABAP Test Cockpit

Replay from January 15, 2020

ATC setup – Pre-requisites , Configuration
ATC execution
Readiness Check

SAP Fiori app

Replay from January 21, 2020

Pre-requisites , Configuration
Project creation and execution

Result analysis

Replay from January 23, 2020

Result details from the ATC and SAP Fiori app
Work package assignment and project planning

Adoption activity

Replay from January 28, 2020

Deep dive on base code changes
Custom code adaptations
CDS views


The SAP S/4HANA and Application Lifecycle Management value maps are a great place for customers in the pre go-live stage to get valuable information that can help
you to understand how to plan, prepare and go through your implementation processes. Also, with value maps you get access to SAP experts and are able to ask questions. Customers in post go-live stages will also find interesting information, like notifications about upcoming product updates, links to available resources, blogs written by specialists, and so on.

Note: To register for the value maps on SAP S/4HANA and Application Lifecycle Management, you may require access to SAP Learning Hub, edition for SAP Enterprise Support. Already-registered members can access the value map directly via the SAP Enterprise Support Value Maps learning room


Register for the Application Lifecycle Management value map

Already-registered members can go directly to the learning journeys on Custom Code Management

Register for the SAP S/4HANA value map

Already-registered members can go directly to the learning journeys on SAP S/4HANA

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      Author's profile photo Jelena Perfiljeva
      Jelena Perfiljeva

      If this is "a wide and mandatory topic" then why does it require access to SAP Learning Hub, edition for SAP Enterprise Support? Why not make it available to everyone?

      Author's profile photo Robert Heer III
      Robert Heer III
      Blog Post Author

      Hello Jelena. Thank you for your comment. We would agree that the blog was a bit unclear, and as such, we have adjusted the wording.  Beyond SAP Enterprise Support, SAP also provides guidance on this topic including knowledge transfer within the SAP Education and OpenSAP platforms, with the custom code migration guide, through many blogs in SAP Communities, as well as a variety of additional SAP service offerings.  Also, the tools and processes provided for adapting custom code are available to all SAP customers. We hope this clarifies.

      I am including further references for your convenience.