Each module adds functional scope and testing effort. Some modules are straightforward to convert, while others require deeper validation and adjustments.
More systems mean more coordination, testing cycles, and transport management during conversion.
The deployment model influences technical setup, infrastructure preparation, and migration approach.
Your starting point determines the complexity of the technical conversion path and required preparation steps. Sometimes we need to upgrade the system in 2 steps: first, pre-upgrade service pack of your current system, and then migrate to S/4HANA.
This report gives early insight into required adaptations, simplifications, and potential risks.
If you’re not yet on SAP HANA, database migration becomes part of the project – which adds time and effort.
Data volume affects migration time, system downtime planning, and validation effort.
Integrations may be one of the biggest hidden cost drivers – each interface needs to be tested and sometimes adapted.
Middleware like SAP PO adds integration dependencies that may need redesign or migration.
Fiori introduces UX improvements but may require additional setup and adaptation compared to traditional GUI.
Some functionalities (like Credit Management) change significantly in S/4HANA and may require redesign.
HCM has specific migration paths and sometimes separate transformation strategies.
User volume impacts testing effort, training needs, and system performance planning.
Custom code is one of the biggest cost drivers – it must be analyzed, adapted, or sometimes replaced.
Add-ons may require compatibility checks, upgrades, or replacements.
Transformation (vs. pure conversion) significantly changes scope and cost.
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