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Use Case

S/4HANA migration with AI

Know what your ECC to S/4HANA migration really takes before you commit budget. C16 connects read-only to your live SAP system, reads the entire custom-code estate, and delivers an evidence-based migration roadmap grounded in real system data. Brownfield, greenfield, or RISE with SAP.

SAP Partner Listed on SAP Store 15 years SAP consulting ISO 27001 certified

The SAP migration problem

Most S/4HANA migration projects stall in the same place: the assessment. Teams spend months interviewing process owners, combing through spreadsheets, and running isolated SAP checks that each answer one question. By the time the picture comes together, the SAP migration timeline has already slipped and the SAP migration cost estimate is a guess built on incomplete data.

Whether you are planning a brownfield system conversion, a greenfield reimplementation, or a selective data migration under RISE with SAP, the fundamental challenge is the same: understanding what you have before you decide what to do with it. Consultants count custom objects and deliver a number. A number is not a plan. Two systems with the same count can carry completely different amounts of real work, because a large share of any estate is dead, duplicated, or replaceable by standard S/4HANA functionality.

What C16 does for SAP S/4HANA migration

Custom code assessment

Inventories every Z-object in the estate and classifies each one with a disposition: retire, replace, refactor, or retain. Classification is based on actual usage data, ATC compatibility checks, and dependency analysis, not a guess from the object name.

Clean Core scoring

Scores the custom-code estate against SAP's Clean Core model (Level A through D). Flags objects that read tables directly, modify standard code, or rely on deprecated structures, and maps each to the released interface it should move to.

Simplification item mapping

Maps every relevant simplification item to the actual objects and configurations it affects in your system. Instead of a generic checklist, you see exactly which items apply and what they require.

Process discovery

Analyses how Order-to-Cash, Procure-to-Pay, and other business processes actually run today. Surfaces process variants, configuration gaps, and bottlenecks from real document flows so you know what the target state needs to handle.

Fit-to-Standard analysis

Compares your current configuration and customizations against S/4HANA standard. Identifies what fits, what needs adjustment, and what requires a business decision, with the evidence to support each recommendation.

Remediation drafting

For objects that need refactoring, C16 drafts the remediation as a candidate: the Clean Core approach, the released interface to adopt, and the downstream objects a change will touch. Your team reviews and approves everything.

How it works

  1. Connect read-only. C16 connects to your live ECC or S/4HANA using standard RFC and OData interfaces. No add-ons, no middleware, no data extraction. Your system stays untouched.
  2. Read and analyse. C16 reads custom code, configurations, usage data, and document flows directly from the live system. Analysis runs against real data, not exports or snapshots.
  3. Classify and score. Every custom object gets a disposition. Every simplification item gets mapped. Clean Core scores, dependency graphs, and process variants come together into one picture.
  4. Deliver the roadmap. You get a migration roadmap grounded in evidence: what to retire, what to refactor, what fits standard, and where the effort actually sits. Prioritized by what blocks go-live.
  5. Draft remediation. For the code that needs work, C16 drafts fixes as candidates for your team to review. Nothing changes in the system without your explicit approval through your own change process.

Not a copilot that guesses. C16 reads your actual SAP system and applies domain logic built from 15 years of SAP consulting. Every finding is tied to real usage, real dependencies, and real compatibility data. No hallucinated advice, no generic recommendations.

Read-only by default. C16 analyses your system without modifying anything. Data is queried live and never retained. SAP Partner. ISO 27001 certified. SOC 2 Type II compliant.

Frequently asked questions

How does AI help with S/4HANA migration?+
AI connects to your live ECC or S/4HANA system and reads the custom-code estate, process configurations, and system data that a manual assessment would take months to gather. It classifies every custom object with a disposition, scores Clean Core readiness, maps simplification items, and surfaces process variants and bottlenecks, all from real data rather than interviews and spreadsheets.
Does C16 write to or change anything in the SAP system?+
No. C16 is read-only across your SAP systems. It analyses your data, custom code, and configurations without modifying anything. When remediation is needed, C16 drafts the fix as a candidate for your team to review. Nothing ships without your approval, and any accepted change goes through your own transport and change-management process.
What SAP systems does C16 support?+
C16 connects to SAP ECC and S/4HANA systems, both on-premise and cloud editions. It works with your existing SAP landscape as-is, using standard RFC and OData interfaces. No additional SAP add-ons or middleware are required.
How is C16 different from SAP's own migration tools?+
SAP provides point tools for specific checks: the Custom Code Migration app for ATC findings, the Simplification Item Check for compatibility, the Readiness Check for system prerequisites. C16 brings these dimensions together with process intelligence and usage data into one governed assessment, and adds AI-powered classification so every custom object gets an evidence-based disposition rather than a flag to investigate.
Does C16 support brownfield, greenfield, and selective data migration?+
Yes. The assessment C16 produces applies regardless of migration approach. For a brownfield system conversion, C16 identifies exactly which custom objects need remediation to survive the technical upgrade. For a greenfield reimplementation, C16 maps current process variants and configurations so the target design reflects how the business actually runs. For selective data migration under RISE with SAP, C16 helps determine which data and customizations travel to the new environment and which stay behind.
How long does an S/4HANA migration assessment take with C16?+
C16 connects to your live SAP system and begins reading within hours. A full custom-code inventory, Clean Core scoring, simplification mapping, and process discovery for a typical ECC system completes in days, not the months a manual SAP migration assessment requires. The SAP migration timeline for the assessment phase compresses significantly because C16 reads data directly rather than relying on interviews and spreadsheet collection.
How does C16 compare to the SAP Custom Code Migration app?+
The SAP Custom Code Migration app runs ATC checks to flag compatibility issues. C16 incorporates these checks and adds two critical dimensions: actual usage data (so you know which flagged objects are genuinely used versus dead code) and dependency analysis (so you know the blast radius of each change). The result is a classified, prioritized work plan rather than a flat list of findings to triage manually.
Is C16 listed on the SAP Store?+
Yes. C16.ai is listed on the SAP Store. PEOL Technologies, the company behind C16, is an SAP Partner with over 15 years of SAP consulting experience across ECC, S/4HANA, and SAP landscape transformation projects.

See it on a real SAP system

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Related: S/4HANA readiness assessment · Custom-code assessment for S/4HANA · Fit-to-Standard analysis · All solutions