SAP Brownfield Migration for Governed ERP Change

Decision context

SAP brownfield migration involves converting an existing SAP ERP system to SAP S/4HANA while preserving current business processes and data. This approach requires detailed understanding of the existing SAP landscape, including custom code, data structures, and process variants, to minimize disruption and maintain operational continuity.

Adranum supports brownfield migration by ingesting authorized SAP readiness checks, ABAP code analysis, data quality reports, and process event evidence. It maps observed and inferred dependencies to identify impacted objects and supports keep, replace, remediate, or retire decisions. This governance reduces risk by making migration inputs and outputs transparent and reviewable.

The software coordinates cutover activities, reconciliation, and exact-state recovery, ensuring that migration steps are traceable and reversible. By keeping raw SAP service data and credentials inside customer infrastructure, Adranum respects security boundaries while providing bounded commands and detailed evidence for audit and compliance.

Comprehensive Evidence Ingestion for Migration Readiness

Adranum ingests multiple types of SAP evidence critical for brownfield migration readiness assessment. These include SAP readiness checks, ATC (ABAP Test Cockpit) results, ABAP and DDIC (Data Dictionary) analysis, abapGit repositories, and process-event logs. Ingesting these authorized inputs ensures that migration decisions are based on accurate and current system state.

The software reports coverage gaps and unsupported inputs, highlighting areas requiring manual review or additional data collection. This transparency enables migration teams to prioritize remediation efforts and avoid surprises during the conversion process.

• SAP readiness check results for S/4HANA compatibility
• ABAP and DDIC static and dynamic code analysis
• ATC findings for code quality and compliance
• Process-event logs capturing variant usage and bottlenecks
• Data quality metrics to identify cleansing needs

Dependency Mapping and Impact Analysis

A critical challenge in brownfield migration is understanding dependencies among SAP objects, custom code, and business processes. Adranum maps both observed and inferred dependencies to create a comprehensive impact model.

This model supports decisions to keep, replace, remediate, or retire components. By visualizing dependencies, migration architects can identify ripple effects of changes and plan remediation or testing accordingly, reducing risk of functional regression or data inconsistencies.

• Observed dependencies from runtime and static analysis
• Inferred dependencies based on SAP object metadata
• Impact reports for code, data, and process changes
• Support for variant-specific dependency views
• Integration with requirement and connector evidence

Governed Code and Data Change Proposals

Adranum generates reviewable proposals for code and data changes required by the migration. These proposals are content-addressed, ensuring traceability and repeatability.

Generated implementation packages include impacted tests and are subject to human approval workflows. This governance ensures that only validated changes proceed to compilation and runtime testing, preserving system stability during migration.

• Content-addressed code and data change packages
• Reviewable diffs and change proposals
• Approval workflows with recorded human decisions
• Automated impacted test selection and packaging
• Traceable compile, runtime, and test receipts

Cutover Coordination and Exact-State Recovery

Cutover from SAP ECC to S/4HANA in a brownfield scenario requires precise coordination to minimize downtime and data loss. Adranum orchestrates cutover steps, reconciliation, and continuity activities.

It supports exact-state recovery to revert to known good states if issues arise, enabling controlled rollback. This capability reduces operational risk and supports compliance with change management policies.

• Cutover activity sequencing and coordination
• Reconciliation evidence capturing data consistency
• Continuity management for business process availability
• Exact-state recovery with rollback capabilities
• Audit trails for cutover and recovery actions

Security and Data Sovereignty Controls

Adranum allows a signed customer operator to retain raw SAP service data, source code, and credentials within the customer’s infrastructure. Only bounded commands, hashes, aggregate outcomes, and evidence are returned externally.

This design respects data sovereignty and security policies, reducing exposure of sensitive SAP system information during migration governance.

• Customer-controlled data and credential retention
• Bounded command interfaces for external communication
• Aggregate outcome and evidence export only
• Compliance with internal security policies
• Minimized external data footprint

What the workflow must cover

• Multi-Source Evidence Ingestion. Adranum ingests diverse SAP evidence sources including readiness checks, ABAP code analysis, and process-event logs to provide a holistic migration readiness view.
• Dependency Visualization and Impact Reporting. The software maps dependencies among SAP objects and processes, enabling impact analysis for migration decisions and risk mitigation.
• Governed Change Proposal Generation. Adranum creates reviewable and approvable code and data change packages, ensuring controlled migration modifications.
• Cutover and Recovery Orchestration. It coordinates cutover activities and supports exact-state recovery to manage migration risks and enable rollback if needed.
• Data Sovereignty Compliance. By keeping raw data and credentials inside customer infrastructure, Adranum aligns with strict security and compliance requirements.
• Process Variant and Bottleneck Analysis. Adranum analyzes process variants and bottlenecks to optimize migration scope and identify improvement opportunities post-migration.

Implementation workflow

Start with a bounded customer scenario and explicit acceptance criteria. Preserve native SAP permissions and accountable review while the software creates a repeatable evidence chain.

1. Collect authorized SAP readiness, ATC, ABAP, DDIC, and process-event evidence
2. Ingest and normalize evidence into the Adranum platform
3. Map observed and inferred dependencies to identify impacted objects
4. Generate keep/replace/remediate/retire decisions and code/data change proposals
5. Review and approve change proposals through governance workflows
6. Coordinate cutover sequencing, reconciliation, and continuity activities
7. Execute exact-state recovery if migration issues occur and record evidence

Evidence to require

A transformation claim should resolve to observable artifacts, decisions, and execution receipts. Ask for the following evidence in a representative evaluation:

• SAP readiness check reports
• ATC static code analysis results
• ABAP and DDIC analysis outputs
• abapGit repository snapshots
• Process-event logs and variant statistics
• Data quality assessment reports
• Change proposal diffs and approval records
• Compile, runtime, and test execution receipts
• Cutover and reconciliation evidence
• Exact-state recovery logs

Boundaries and non-claims

Adranum separates analysis, proposal, human review, package creation, customer-local validation, and production execution. A later state never rewrites the evidence that supported an earlier decision.

• Does not replace SAP licensing or Basis administration
• Generated code proposals require customer compilation and runtime validation
• Does not substitute specialist testing tools in all scenarios
• Missing or unsupported inputs remain visible and require manual handling

Public comparison sources

Competitor statements are limited to current public materials. Verify them during procurement because products and packaging change.

• Brownfield #SAP S4HANA implementation
• Greenfield vs. Brownfield S/4HANA Implementation
• Performing a Brownfield Migration
• Our step-by-step guide to your SAP S/4HANA brownfield ...
• SAP ECC to S/4HANA brownfield migration

Buyer checklist

• What SAP evidence types are supported for ingestion?
• How does Adranum map and visualize dependencies?
• Can generated code proposals be customized before deployment?
• How does the platform coordinate cutover and rollback?
• What security controls protect customer data and credentials?
• How are process variants and bottlenecks analyzed?
• What audit evidence is produced for compliance?
• How does Adranum handle unsupported or missing inputs?