PerfecTwin ERP Edition

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Automation of migration testing from SAP ECC to SAP S/4HANA

last updated：Apr 27, 2026

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Can satisfactory testing be performed during the brownfield migration from SAP ECC to SAP S/4HANA?

PerfecTwin ERP Edition is a solution specialized for ERP that enables test validation using actual transaction data. This tool is an automated testing tool optimized and designed to assist in the migration from SAP ECC (SAP ERP Central Component) to SAP S/4HANA, achieving validation that reflects the actual business processes of the ERP. The PerfecTwin ERP Edition aims to improve the efficiency of testing during the migration process and reduce risks. It is particularly effective for brownfield approach migrations from SAP ECC to SAP S/4HANA, automating comparative testing between the old and new systems and supporting efficient operations.

Related Link - https://ceccs.site/ccs/product/perfectwin_ee/perfe…

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basic information

PerfecTwin ERP Edition is primarily used during the integration testing (UAT/E2E testing) phase for the migration to SAP S/4HANA. In the test preparation phase, the following steps are taken to utilize the transaction data from the existing ERP system to achieve test automation in the new ERP system: 1. Collect existing data .......................... Implement packet capture agents to collect transaction data 2. Extract new specs .............................. Generate and edit scenarios from SAP GUI using the spec analyzer 3. Extract existing specs .......................... Register existing specs by matching them with new specs 4. Generate testing rules .......................... Define rules by mapping old and new parameters 5. Execute tests and analyze results ............ Test and validate based on the rules

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Applications/Examples of results

<Improvement of Test Quality> In ERP migration, it is difficult to test exception cases with just the generation of simple sample cases, and in manual testing, a small number of testers are validating only a few hundred cases. However, it is challenging to assess the quality level of the new system with just a few hundred test cases. PerfecTwin can validate millions of cases based on the collected actual data, making it easier to verify exception cases. <Enabling Integration Function Testing with Internal and External Systems> ERP has many integration functions with related systems, and during the development of these functions, the implementation methods of interfaces are diverse (EAP, API, RFC, etc.). Additionally, testing integration functions requires prior consultation with related organizations, and during test execution, it is necessary to generate transactions directly with the integration entities, which is cumbersome. PerfecTwin collects transaction data generated by internal and external systems as is, allowing for the reproduction of transactions in the order they occurred. In other words, it simulates sending and receiving data with integration entities, enabling testing that includes integration functions.