Migrations: More than a lift-and-shift

The differences between SAP ECC and S/4HANA aren’t cosmetic.

A migration is a structural transformation—driven by changes in data models, business logic,

and cross-module behavior.

Why Traditional Testing Fails

Traditional testing validates a simplified world

Migration Day One exposes the reality of your operations.

Limitations of Traditional Testing

Limited Test Environment

Sample Data

10 Vendors / 20 Materials

Happy Path Tests Only

Post-Migration Reality

Complex Real Environment

Thousands of Vendors

100,000+ Materials

Pricing, Tax and Exceptions

100 Tests

1,000,000+ Transactions

From Go-Live Risks to Confident Outcomes

Pain Point

Master data doesn't convert cleanly to S/4HANA's granular structure

Granularity mismatches block transactions

Day-one processing can stall across key partners

Complex pricing, tax, and condition logic behaves differently in S/4HANA

Converted logic no longer matches real production behavior

Invoices generate incorrect amounts after migration

Data transfers across modules fail after migration

Breakdowns occur between sales, logistics, and finance

End-to-end business flows stop, even when individual steps pass

PerfecTwin's approach

Real operational data validation at scale

PerfecTwin generates test data from real production history and validates conversion outcomes at scale using SAP-native logic.

Validate real partner and material combinations, not samples

Expose mapping and granularity defects early

Run high-volume backend execution

Result

Fewer day-one disruptions

Evidence-based validation before go-live.

Higher coverage grounded in real operational behavior

Faster validation through large-scale execution

Fewer post-migration issues on Day One

Production-scale validation for real S/4HANA migrations.

See how PerfecTwin applies real operational data to uncover migration risk before go-live.

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