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Home · Case Studies · Case File PH-024 · ECC Pre-Conversion Audit

A $14.1M ECC claim, closed at $4.6M before conversion.

A global pharma group defended an ECC audit claim immediately before an S/4HANA conversion, settling at a defended position that anchored the conversion FUE math at the defendable baseline.

Pharmaceutical laboratory and research
Industry
Pharmaceuticals
Geography
EU · USA · APAC
SAP Estate
ECC 6.0 + 9 engines (pre-S/4)
In Scope
38,400 named users
— Case File PH-024 · ECC Pre-Conversion Audit

The headline numbers, on the record.

Every result on this site is anonymised at the client's request. Specific figures are real and verifiable through a confidentiality-protected reference call arranged on request.

Opening claim
$14.1M
ECC audit position
Settled value
$4.6M
before conversion
Reduction
67%
below opening claim
Duration
18wk
audit to settlement
Chapter I · The Brief

The pre-conversion audit

The group is a global pharmaceutical manufacturer with approximately thirty-eight thousand four hundred named SAP users across research, manufacturing, supply chain, and commercial functions. SAP ECC 6.0 had been the operational backbone since 2008, with nine engines layered on top. The S/4HANA conversion had been planned for execution within the following eighteen months.

SAP's audit team issued a formal notification six months before the planned conversion. The opening position quoted fourteen point one million dollars in licence non-compliance, broken into three lines: a USMM under-classification of approximately two thousand eight hundred Professional users; a custom-development engine measurement that had not been reset since the original deployment; and an indirect-use exposure on a clinical trial platform integration.

The group's General Counsel made the decision to engage outside counsel immediately. The pre-conversion timing was significant: a settlement at the opening figure would have anchored the conversion FUE math at the inflated baseline, compounding the audit cost into the conversion cost across the entire S/4HANA contract.

Chapter II · The Opening Claim

The opening position

SAP's USMM under-classification was built against the role-collection assignment of the in-scope user population. Of the disputed two thousand eight hundred users, approximately two thousand one hundred had no Professional-grade activity on record over a twelve-month window.

The custom-development engine had been licensed at the original deployment with a measurement that included a wide set of development tools. Over the subsequent twelve years, the development pattern had shifted toward a smaller set of tools, and the measurement had not been reset.

The indirect-use position covered a clinical trial platform that integrated with the SAP financial close layer. The contract definition for indirect use under the original ECC contract did not include the integration pattern at the published exposure scale.

Chapter III · The Defence

The four tactics

We worked four tactics in parallel against the opening claim, with the pre-conversion timing as the structural backdrop. Every defended line carried forward into the conversion FUE math and the conversion credit calculation.

USMM reclassification with transaction evidence

We rebuilt the user classification against transaction-history evidence over a twelve-month window. The defendable Professional count was reduced by two thousand one hundred users, with the surplus reclassified into Limited Professional and Employee Self-Service. The reclassification was supported by tcode-level evidence.

Custom-development engine reset

We obtained the raw measurement data for the custom-development engine and reconstructed the development pattern against the current toolset. The corrected measurement was approximately one quarter of the original reading. The reset was supported by a configuration history showing the toolset retirement over the contract period.

Indirect-use definition test

We documented the integration topology for the clinical trial platform and demonstrated that the integration pattern fell outside the contracted indirect-use definition. The exposure was reduced from the claimed figure to a substantially smaller residual covered by the existing indirect-use entitlement.

Conversion-baseline lock

The settlement included a written conversion-baseline lock, anchoring the FUE math at the defended named-user count and the defended engine measurements. The lock applies for the duration of the conversion proposal and protects the group against re-litigation of the audited lines.

Chapter IV · The Settlement

The settled position

The audit closed at four point six million dollars in cash against an opening claim of fourteen point one, a sixty-seven per cent reduction. The settlement covered a true-up of approximately seven hundred Professional seats, a partial custom-development reset, and a small indirect-use residual. The contingent liability was removed from the year-end disclosure six months ahead of the conversion.

The conversion FUE math is now anchored at the defended baseline. The engine measurements carry forward at the corrected readings. The indirect-use position is documented at the integration level. The credit-conversion calculation rests on the cleaned ECC entitlement rather than the inflated audit position.

Total elapsed time from the audit notification to signed settlement was eighteen weeks. The conversion proposal opened four weeks after settlement with the FUE math built on the defended baseline.

Chapter V · Lessons Applicable

The lessons

First, ECC audits immediately before an S/4HANA conversion carry compounded risk. A settlement at the audit position anchors the conversion FUE math, with the inflated baseline carrying forward into the entire S/4HANA contract.

Second, USMM reclassification before the audit closes is the largest single line in most pre-conversion defences. The classification mix that goes into settlement is the classification mix that goes into conversion.

Third, custom-development engine measurements drift over the contract period and are rarely reset. Fourth, indirect-use definitions in original ECC contracts are narrower than the published exposure framings suggest. Fifth, conversion-baseline lock clauses are routinely available in pre-conversion settlements and should be requested as a matter of course.

The audit was a conversion-pricing event in disguise. Defending the baseline before the conversion proposal opened removed nine point five million dollars from a deal that hadn't been signed yet.

General CounselGlobal Pharmaceutical Group · Q2 2026
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The two services this matter drew on.

I.

SAP Audit Defence

End-to-end audit response when the timing matters. Pre-conversion settlements anchor the next contract; the defended baseline carries forward into the entire S/4HANA agreement.

Read the brief →
II.

S/4HANA Migration Compliance

Conversion compliance built on a defended baseline. The FUE math, the engine credit, the indirect-use treatment — all anchored at the cleaned ECC position.

Read the brief →
Related reading

From the research desk.

— Topic Page

SAP ECC

The topic page sets out the licensing structure, the audit triggers, and the negotiation levers across this SAP product line.

Topic guide · Updated 2026
— White Paper

SAP Audit Defence Playbook

A 3,500-word analyst paper covering the methodology behind the defence, with five numbered recommendations and the field evidence.

Research paper · Gated
— Pillar Article

The SAP audit defence pillar

The pillar article in this cluster covers the licensing structure, the audit triggers, and the defence sequence applicable to estates like this one.

Pillar · 2026
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