SAP S/4HANA Migration Support
Migration strategy and evidence of accounting integrity are important. The supported migration objects, interfaces, and load order should be checked for the target release and scenario.
Greenfield vs brownfield
Build S/4HANA from a clean baseline and redesign business processes using standard templates.
- ✅ Enables fundamental process reform
- ✅ Resets unnecessary customizations
- ⚠️ Typically takes 3–5 years and costs more
- ⚠️ Mostly master data and balances can be migrated
Best for organizations seeking fundamental business transformation.
Technically convert the existing ECC settings, add-ons, and data while minimizing changes to business operations.
- ✅ Typically takes 1–2 years
- ✅ Reduces operational burden and uses existing assets
- ⚠️ Carries technical debt forward
- ⚠️ Makes full use of new functions harder
Best for organizations prioritizing cost, schedule, and continuity.
SAP data migration procedure
Allocate time for profiling, mapping, rehearsals, validation, and cutover preparation based on the project scope and measured results.
Define the migration policy
Define scope across master data, balances, and transactions and assign responsibilities.
Investigate and cleanse data
Define rules for duplicates, missing values, notation, special characters, and external characters.
Define data mapping
Map legacy fields to SAP fields and require business review of base units of measure.
Run a small trial load
Start with sample records in Migration Cockpit, resolve errors, and expand the data patterns.
Rehearse the migration
Run a full import with production-like data, procedure, and timing and measure duration.
Perform production migration and reconciliation
Reconcile counts and financial amounts and run business-process tests after the load.
Migration tools and how to choose
| Tool | Type | Strengths | Considerations | Best fit |
|---|---|---|---|---|
| Migration Cockpit (LTMC) | SAP standard | No programming required; the first choice for S/4HANA migration. | Cannot update or delete; some objects are unsupported. | Initial master and balance migration |
| BAPI / IDoc / OData API | SAP standard | Preserves business logic through standard interfaces. | Requires ABAP development effort. | Updates and unsupported objects |
| Informatica / DataSpider | Commercial ETL | Rich GUI and high-volume processing. | High license cost. | Large, mission-critical programs |
| Python / SQL scripts | Open source | Low initial cost and flexible customization. | Requires skilled engineers and governance against person-dependency. | Teams with in-house engineering capability |
Common failures and countermeasures
⚠️ Oversimplified mapping
Cause: Migration objects, field mappings, conversion rules, and dependencies need to be checked for the target release.
Countermeasure: Select a supported migration approach and validate mappings with representative data.
⚠️ Insufficient review of units
Cause: Unit or conversion errors can affect quantity and amount validation.
Countermeasure: Create a conversion table and have business owners review representative results.
⚠️ Unclear treatment of work in process
Cause: Moving in-progress records requires additional checks for progress, cost, and inventory consistency.
Countermeasure: Decide what is completed in the legacy system and what is migrated based on business requirements.
⚠️ Treating rehearsal as a procedure walkthrough
Cause: Production-like data and exceptions are needed to estimate duration and errors.
Countermeasure: Record duration, errors, and validation results and reflect them in the cutover plan.
Discuss your SAP migration program
We support decisions from greenfield/brownfield selection through production migration.
Request a free consultation