The situation has improved considerably with the release of SAP Note 2755360 which ships the new Reconciliation prior to S/4HANA Conversion program (transaction FIN_CORR_RECONCILE). The only way to detect all inconsistencies was to run S/4HANA test conversion on a copy of productive data.

The checks accessible after the technical installation of S/4HANA and executed as a part of the data migration process are more advanced than old check programs in ERP. One of the common problems with Conversion of Accounting was that pre-check tools available in the SAP ERP were not able to detect all migration relevant data inconsistencies. You may refer to blog SAP S/4HANA- Consistency checks in Finance: Part 1 for detailed information.

Besides, we have a number of older consistency check programs such as programs for GL – Sub ledger reconciliation, comparative analysis program and technical check of documents tables program. For checking the consistency of transactional data, it is the new Reconciliation prior to S/4HANA Conversion program where we ported migration relevant G/L checks from S/4HANA to SAP ERP.

For checking the consistency of configuration and mandatory pre-requisites, it is the Simplification Item Check you should run in your SAP ERP system. In the SAP ERP system, we have various programs available in the system for checking financial data. Therefore, it is very important to identify any configuration/data quality issues well in advance before your SAP S/4HANA conversion project starts. Start with data cleansing in the source ERP system as early as possibleĪnalyzing the quality of your data and performing a data cleansing can last weeks or even months. In this blog, we will discuss how to handle errors during the finance data migration phase of S/4HANA Conversion.

looked into finance data migration (Conversion of Accounting) in more detail Conversion to SAP S/4HANA- Insights into Finance Data Migration.

went through consistency checks in the source SAP ERP during the Preparation phase Conversion to SAP S/4HANA- Consistency checks in Finance: Part 1.

outlined areas where customers usually face challenges during conversions Conversion to SAP S/4HANA On-Premise – what are the key problem areas?.

In this blog series, we are looking at some of the challenges and risks that most commonly affect SAP S/4HANA conversion projects and how to mitigate them with the right selection of tools and approaches.

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