Pre-Conversion Process in S4/HANA – steps & details

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In this blog, let’s take you across the three major activities in the pre-conversion phase.

Maintenance Planner


These checks identify the foremost essential steps to ensure the system is compatible with the conversion process from a functional point of view.

The results of the pre-check stage are provided as a list by an SAP S/4 HANA Implementation partner in the UK, LEEDS. They might be addressed before the SAP S/4 HANA Conversion process, the details of which are shown below.

Pre-conversion Checks (Simplification List and Custom code Check):

What are the benefits of the pre-conversion process? 

The process of SAP S/4 HANA is an important step in ensuring a successful conversion. Preparing for the conversion can make the transition smoother and avoid potential problems. The benefits of the pre-conversion process include the following: 

  • Improved accuracy and completeness of data: By preparing for the SAP S/4 HANA conversion process, you can ensure that all your data is accurate and complete. It will help avoid problems during the conversion and ensure a successful transition. 
  • Reduced risk of data loss: Also, you can minimize the risk of data loss. It will help ensure that your data is safely converted and that you don’t lose any important information. 
  •  Easier transition to the new system: Equipping for the SAP S/4 HANA conversion can make the transition to the new system easier. It will help you get up and running quickly and avoid disruptions to your business. 


Readiness check and pathfinder 

Start by running the S4HANA Readiness Check 2.0 and SAP S/4 HANA Implementation. By using this tool, you will gain a better understanding of your current system and possible obstacles.  

A readiness check focuses more on existing functionality. You can use the pathfinder tool to explore new and innovative scenarios in SAP S/4 HANA system conversion. 

Pre-Conversion process involved in S4HANA

Custom Objects Check:

Tools to be used for Analysis and adoption of Custom Objects 

  • Custom Code Analyzer 
  • Custom code migration worklist 
  • ABAP Code Inspector 


The actual checking and analysis SAP S/4 HANA system process is shown below. 

Custom code performance 

To identify the code points that are eating up most of your system’s performance, you can use the SQLM and SWLT tools in your current production system. It is possible to improve the process of the SAP S/4HANA system by addressing these points. 

Downtime reduction 

SAP S/4HANA implementation is quite long. Executing the conversion on production can take almost a day, according to a reliable SAP S/4 HANA Implementation partner. 

There are several ways to reduce downtime, including: 

– Planning for downtime and ensuring that planned outages are scheduled for periods of low use 

– Performing routine maintenance and upgrades 

– Using redundant systems or components 

Firstly, you have to confirm the maximum downtime. The SUM tool provides the downtime recording. But it is better to consume time and add more components. 

Utilization of embedded Live Cache 

If your ECC system is connected to the SCM APO system, consider using the embedded Live Cache in S4HANA to replace the SCM APO system live cache. 

Changes in the security parameter 

Consider new and updated security parameter recommendations from SAP after converting to S4HANA.  

Parallel Landscape 

A Parallel Landscape in SAP is a duplicate of your productive landscape, used exclusively for development and quality assurance. It means you can change your development system without affecting your production system.  

Changes to the development system are then replicated in the quality assurance system, which you can use for end-to-end quality assurance. 

It denotes that the conversion process will be around for six to twelve months. 

Before you begin the implementation process, it is better to have a parallel landscape. 

Advantages of setting up a parallel landscape 

There are many benefits to setting up a parallel landscape. The most obvious is that it can help to avoid conflict. By having two separate systems, each with its own rules and norms, it is less likely that disagreements will arise.  

In addition, a parallel landscape can promote innovation. By having two separate systems, each with its strengths, it is more likely that the best ideas will come to the forefront. Finally, a parallel landscape can help to ensure stability. By having two separate systems, each with its checks and balances, it is less likely that one system will become too powerful. 

To conclude 

Get in touch with iQuantM, an SAP S/4 HANA Implementation partner in the UK, for more information.

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