SAP S/4HANA Migration Using Selective Data Transition: What Businesses Need to Know
SAP ECC may contain years of transactions, inactive company codes and obsolete master data. Selective Data Transition changes the migration discussion from “How do we move our SAP ECC system?” to “What should our SAP S/4HANA system contain?”
Why Are Companies Considering Selective Data Transition for SAP S/4HANA Migration?
SAP ECC may contain years of transactions, inactive company codes and obsolete master data. Moving everything increases migration complexity and testing effort. The ability to retain relevant historical data while removing obsolete data is one of the benefits of Selective Data Transition. For buyers, Selective Data Transition changes the migration discussion from “How do we move our SAP ECC system?” to “What should our SAP S/4HANA system contain?”
Brownfield vs Greenfield vs Selective Data Transition: Which Approach Is Right?
| Approach | Definition |
|---|---|
| Full Migration/Brownfield | Organizations retain their existing system, data and processes while adapting them for SAP S/4HANA |
| New Implementation/Greenfield | Organizations redesign processes and build a new SAP S/4HANA environment |
| Selective Data Transition | Organizations retain valuable historical data while selectively transforming the landscape |
How Much Historical Data Should Be Migrated?
This is one of the most important decisions in a Selective Data Transition project. A company can choose:
- Specific company codes
- Specific fiscal years
- Open transactions
- Selected historical transactions
- Data required for reporting, audit or statutory purposes
SLaiCE provides the flexibility to select data based on time slices, organizational units or a combination of both. For example: migrating two years of data for selected company codes.
What Does a Selective Data Transition Migration Involve?
A successful Selective Data Transition project is more than extracting selected tables and loading them into SAP S/4HANA.
- Assess the SAP ECC landscape: Identify data, company codes and dependencies
- Define the migration scope: Determine what should move and what should remain in the legacy environment
- Prepare the target SAP S/4HANA environment: Identify approaches such as Shell Conversion (a copy of the existing system is converted without master and transaction data) and Mix and Match (a new SAP S/4HANA installation is combined with selected existing configuration and developments)
- Define selection and transformation rules: The migration needs rules governing which data moves, how it is transformed and how relationships between business objects are preserved
- Execute migration cycles and reconcile: Migration should be followed by validation, data reconciliation and testing
- Plan cutover: During the actual migration phase, changes must not be made to source or target data
Team SLaiCE Will Help You Navigate These Considerations
Talk to us to understand the flexibility Selective Data Transition provides:
- Selecting the right data scope
- Retaining relationships between business objects
- Relevant historical data
- Accurate transformation rules
- Data reconciliation
- Understanding custom developments
- Adequate testing
The objective is not “less data” but “right data with the right relationships in the right context.”
What Should Buyers Ask Before Selecting a Selective Data Transition Solution?
Before selecting a migration tool or partner, ask:
- Can data be selected by company code, org unit or time period?
- Can historical as well as open transaction data be migrated?
- Will relationships between business objects be preserved?
- How are transformation rules defined and validated?
- How is migrated data reconciled with SAP ECC?
- How are migration evidence and audit requirements addressed?
- Can the solution support multiple migration cycles and testing?
These questions are often more important than simply asking how quickly data can be moved.
The Conclusion
Selective Data Transition is not a compromise between brownfield and greenfield. It is a way to make SAP ECC to SAP S/4HANA migration purposeful. Preserve what the business needs, transform what needs to change and avoid unnecessary legacy data in the new environment.
For organizations with complex SAP ECC landscapes, multiple company codes, historical data requirements or a need to selectively transform their SAP environment, Selective Data Transition can provide flexibility that a conventional migration approach cannot. The key is to make data selection, transformation, reconciliation and business continuity a part of the migration strategy from the beginning.
For organizations evaluating technology to support this migration, SLaiCE is best positioned as the selective SAP data transition tool. SLaiCE is SAP approved and listed on the SAP Store (opens in a new tab).