S/4HANA Role Migration & Licence Optimisation

3D isometric illustration showing legacy SAP permission bloat transforming via automated scanning into a clean core S/4HANA role architecture

S/4HANA Role Migration & S/4HANA Licence Optimisation

A Technical 2026 Enterprise Guide for UK Leaders Navigating S/4HANA Role Migration, S/4HANA Licence Optimisation, FUE Multiplier Ratios, Clean Core SAP Security, and Automated Audit Defence.

Founder’s Note

Why I Built This Guide: Cutting Through the S/4HANA Licensing Fog

Over the last 25 years advising FTSE 100 and mid-market enterprises across the UK, I have witnessed the exact same costly tragedy play out in boardroom after boardroom: leadership treats an S/4HANA role migration as purely a functional software upgrade, delegating user licensing and security roles to late-stage project milestones. The result is consistently disastrous, unbudgeted seven-figure “True-Up” bills from SAP, failed statutory audits, and emergency system freezes when transactions break on day one.

The shift to S/4HANA and RISE with SAP permanently terminates the era of manual declarations. Automated system measurement has replaced intent. In this guide, my mission is to give you candid, architecture-grade education on the financial traps hidden within your legacy authorisations, outline the precise operational fallout if you fail to act, and hand you the automated tooling blueprints, via our built-for-SAP CORTEX Suite, to achieve permanent S/4HANA licence optimisation, enforce Clean Core SAP security, and prevent SAP Segregation of Duties liabilities across your balance sheet.

Part 1: S/4HANA Licence Optimisation & FUE

The Death of Manual User Classification in S/4HANA Licence Optimisation

When executing an S/4HANA licence optimisation strategy, organisations quickly discover that the legacy manual game is over. In legacy ECC 6.0 estates, the responsibility for classifying users sat squarely with the Basis team or SAP Security leads during annual USMM measurement cycles. You decided who was a “Professional User,” who was a “Limited Professional,” and who was an “Employee.” This was often justified using internal job descriptions or historical custom spreadsheets. While inefficient, it gave organisations an illusion of control, allowing them to reclassify users to cheaper bands immediately prior to audit submission.

As UK enterprises navigate 2026, with the December 2027 mainstream maintenance deadline for SAP ECC 6.0 fast approaching, that manual control has completely evaporated. Long-term S/4HANA licence optimisation hinges on eliminating dormant authorisations before contract execution. Under S/4HANA and commercial contracts such as RISE with SAP, user classification is automated via the Full Usage Equivalent (FUE) metric. Automated system auditing now trumps manual declaration: licensing classification is determined by the maximum potential authorisation granted within a user’s PFCG profile.

S/4HANA Licence Optimisation and Role Architecture Evolution

The Mathematics of the FUE Subscription Currency

An FUE is not an individual user licence; it is a flexible points budget governed by strict contractual weighting ratios and is the single most vital metric governing S/4HANA licence optimisation. As defined in official SAP ERP Pricing & Use Rights Guides, your overall user entitlement pool converts across distinct tiers:

1 : 1 Advanced Use 1 User = 1.000 FUE
1 : 5 Core Use 1 User = 0.200 FUE
1 : 30 Self-Service Use 1 User = 0.033 FUE
2 : 1 Developer Access 1 User = 2.000 FUE
⚠ Consequences of Inaction & Unpreparedness
Commercial Blowout in S/4HANA Licence Optimisation

Signing an S/4HANA or RISE subscription contract without pre-negotiation role sanitisation forces procurement teams to purchase inflated FUE quotas based on legacy guesswork. During post-migration audits, automated measurement tools elevate hundreds of standard desk workers into 1:1 Advanced tiers. The financial impact is brutal, with mid-term true-up bills running into millions of unbudgeted pounds, instantly wiping out the transformation business case.

Internal User & Operational Chaos

When leadership attempts emergency budget damage control, the typical reaction is blunt: revoking whole security roles wholesale. Operational staff find themselves locked out of vital workflows mid-month, unable to generate purchase orders, log hours, or approve supplier invoices.

Customer & Supply Chain Disruption

Operational freezes cascade directly into customer fulfillment channels. When sales desk teams or logistics coordinators lose transaction access, customer deliveries miss SLA windows, warehouse dispatch stalls, and client relationships suffer severe friction.

✔ The Strategic Overcoming Solution
Decouple Capability from Need

Execute an empirical authorisation audit before contract negotiation to unlock true S/4HANA licence optimisation. By decoupling what a user could do from what they actively execute, high-tier configuration and display objects (S_TABU_DIS, treasury, customising) are systematically removed from day-to-day operational profiles.

Granular Tier Protection

Carve out rare administrative privileges into controlled, temporary elevation paths. Standard employees remain securely anchored in Self-Service (1:30) and Core (1:5) tiers, reducing the enterprise’s gross contractual FUE requirement by 35% to 50% permanently.

Business & Customer Continuity

Users retain seamless access to the specific screens required to perform their daily duties without friction. Client orders process smoothly, procurement cycles proceed uninterrupted, and the CFO enters contract negotiations with empirical audit counter-evidence.

The CORTEX Impact
Automated Diagnostic Intelligence

Operating natively inside your SAP landscape, CORTEX ECHO provides continuous S/4HANA licence optimisation by scanning live authorisation tables and execution patterns to isolate the exact objects causing tier inflation without moving data outside your perimeter.

Predictive FUE Modelling & Negotiation Leverage

ECHO models your optimal FUE footprint to deliver concrete cost savings for SAP negotiations, running algorithmic simulations that give procurement leaders hard empirical proof to challenge supplier quotes.

Continuous Estate Oversight

Integrated with CORTEX CENTRAL, the platform unifies licensing dashboards across multi-system landscapes, alerting leadership immediately if unmanaged role creep begins to erode negotiated savings.

Enterprise Impact Scenario Global FMCG & Food Processing Group | 8,500 Active SAP Users
£3.42m Annual OPEX Reduction
-41% Contractual FUE Demand
3,250 Seats Re-Tiered from Advanced
100% Pre-Signing Audit Clearance

The Outcome: Preparing for a multi-year RISE with SAP subscription, preliminary vendor calculations classified 4,100 users as Advanced FUE due to legacy display and ledger authorisations, creating an £8.6m annual recurring commitment. Deploying CORTEX ECHO and CENTRAL, the architecture team achieved £3.42m in verified S/4HANA licence optimisation savings. By identifying that 3,250 employees required only transactional data entry and algorithmically pruning unused configuration objects, their required FUE baseline fell by 41%, locking in long-term recurring OPEX savings while fully protecting financial reporting controls.

Part 2: Clean Core SAP Security & S/4HANA Role Migration

Secure S/4HANA Role Migration and Clean Core SAP Security

Deliver an auditable, business-aligned transition from ECC to S/4HANA by eliminating legacy authorisation bloat, modernising retired T-codes, and ensuring Day-One compliance with Clean Core standards.

A successful S/4HANA role migration cannot simply lift and shift legacy ECC roles. Modern enterprise governance demands Clean Core SAP security and structured SAP S/4HANA role redesign. S/4HANA introduces foundational data model changes, including Business Partner unification, redesigned financial ledgers, and the Fiori modern user experience, that render classic authorisation architectures incompatible. Our role migration methodology delivers an automated transition roadmap tailored to enterprise risk requirements.

Structured S/4HANA Role Migration Process

A proven, phased methodology for analysing, redesigning, and deploying SAP roles custom-tailored to your organisation’s functional footprint.

  • Minimises business disruption
  • Accelerates migration delivery
  • Provides predictable timelines

Risk Mitigation & SAP Segregation of Duties

Integrated risk assessment and control matrices to close security vulnerabilities, enforce SAP Segregation of Duties, and ensure compliance with governance codes.

  • Strengthens preventative controls
  • Reduces internal and external audit findings
  • Maintains continuous governance

Automated Compliance & Clean Core SAP Security

Automated security simulation tools to streamline technical testing, evidence capture, and continuous authorisation checks aligned with Clean Core SAP security and ISO/IEC 27001.

  • Automates routine compliance testing
  • Eliminates human error
  • Delivers clean, documented security models

S/4HANA Licence Optimisation Alignment

Role structures architected for S/4HANA, Fiori, and FUE licensing, delivering sustainable S/4HANA licence optimisation, scalability, and cost predictability.

  • Maximises FUE licensing value
  • Adheres strictly to Least Privilege access
  • Facilitates future SAP release upgrades
⚠ Consequences of Inaction & Unpreparedness
Commercial Budget Implosion

Treating role redesign as an afterthought during an S/4HANA role migration leaves security teams facing a massive delivery bottleneck at cutover. System integrators extend costly hypercare retainers for months, billing £2,000+ per consultant day to manually resolve thousands of authorisation errors while project overruns erode executive confidence.

Internal Paralysis & Security Collapse

On Day One, front-line teams discover that legacy roles fail under new S/4HANA table architectures. Desperate to keep plants and billing running, Basis leads issue wide-open privileges (SAP_ALL) as temporary workarounds, instantly corrupting internal segregation of duties.

Customer Backlog & Broken Trust

Dispatch desks fail to clear shipments, invoice generation freezes, and customer service teams cannot access client profiles. Shipments sit motionless in fulfillment centres, resulting in missed delivery penalties, customer cancellations, and reputational damage.

✔ The Strategic Overcoming Solution
Automated Clean Core Engineering

Re-engineer target roles algorithmically using historical execution trace data instead of subjective workshops. Executing an automated SAP S/4HANA role redesign ensures custom role structures do not inhibit future annual cloud release cycles or S/4HANA feature upgrades.

Frictionless Cutover Assurance

Pre-empt authorisation bottlenecks before production deployment. Map retired ECC transactions into their S/4HANA target objects and Fiori business catalogues automatically, ensuring zero authorisation crashes (SU53) upon go-live.

Seamless Customer Experience

Day-One operational continuity is guaranteed. Warehouse fulfillment proceeds on schedule, billing engines execute without manual intervention, and external customers experience zero disruption during your digital migration journey.

The CORTEX Impact
Empirical Role Construction

CORTEX REFRAME accelerates your S/4HANA role migration by building lean, right-sized S/4HANA roles directly from real transaction traces, eliminating months of workshops and automatically remapping deprecated ECC codes to Clean Core standards.

High-Density Audit History

Paired with CORTEX VAULT, which compresses up to two years of execution logs (ST03N and SM20) directly in your database, your team maintains Clean Core SAP security and retains immutable compliance proof for auditors on demand.

Automated Cutover Verification

Before transport release, the integrated toolset verifies that every rebuilt authorisation object aligns with target Fiori catalogues, ensuring Day-One business operations launch without cutover delays or emergency role firefighting.

Enterprise Impact Scenario UK Multichannel Retailer | 12,000 SAP Users across 650 Stores & 3 Hubs
£1.45m SI Consulting Avoidance
3 Weeks Role Build vs 14 Months
Zero Outages Day-One Cutover Impact
0 High Risks Post-Go-Live SoD Score

The Outcome: Approaching cutover, the retailer faced a 14-month role engineering proposal from their implementation partner quoting £1.8m in manual services. Deploying CORTEX REFRAME and VAULT, the organisation ingested 18 months of store and warehouse execution logs, algorithmically engineering 480 verified Clean Core roles in under three weeks. This successful S/4HANA role migration achieved 100% store continuity with zero inventory allocation halts, saving £1.45m in SI fees while meeting strict UK Corporate Governance compliance.

The 9 Critical Transition Pillars
1

Speed with Security Automation

Critical Pillar Overview Traditional SAP role redesign projects are notoriously slow, labour-intensive, and prone to massive budget overruns. For decades, security teams have been bogged down by endless stakeholder workshops and manual spreadsheet mapping. In an S/4HANA role migration where project milestones are strictly enforced, attempting manual SAP S/4HANA role redesign directly threatens your go-live schedule. Automation replaces subjective guesswork with verifiable system metrics, enabling enterprises to compress 18-month role projects into days while maintaining Clean Core SAP security.
⚠ Consequences of Inaction
Commercial Escalation

Manual SAP S/4HANA role redesign drags transformation timelines out by 12 to 18 months, requiring sustained teams of high-cost external consultants at £1,800 to £2,500 per day. Budget allocations meant for customer-facing innovation are swallowed by repetitive manual security build cycles.

Internal Delivery Fatigue

Internal Basis leads and security administrators become mired in endless role-definition workshops with department heads. Key business talent suffers project fatigue, while critical technical debt remains unaddressed as milestone deadlines loom.

Customer Impact

Project freezes and timeline slips push out scheduled go-live dates for digital customer portals, modern e-commerce integrations, and improved supply chain services, handing competitors a market advantage.

✔ The Strategic Solution
Algorithmic Security Synthesis

Replace subjective interviews and manual spreadsheets with automated algorithmic role generation. Ingest real-world transaction logs and security traces to build lean, right-sized PFCG roles, delivering measurable S/4HANA licence optimisation verified against actual operational patterns.

Resource Liberation

Compress role engineering timelines from 18 months into hours. Internal Basis personnel are liberated from administrative drudgery to focus on high-value architectural governance and deployment testing.

Accelerated Business Agility

Transformation milestones are achieved on time and under budget. New customer capabilities and automated digital channels launch on schedule, delivering measurable return on investment.

The CORTEX Impact
Algorithmic Role Generation

CORTEX REFRAME accelerates your S/4HANA role migration by ingesting historic system traces within the ABAP stack, automatically generating audit-ready PFCG roles in seconds and slashing build cycles by 75%.

Standardised Delivery

REFRAME eliminates human error by enforcing consistent authorisation naming and field logic, protecting S/4HANA project timelines and cutting expensive external consultancy dependencies.

Rapid Time-to-Value

By automating the most time-consuming phase of your security workstream, your internal teams protect go-live delivery dates while establishing an auditable foundation for future SAP upgrades.

Enterprise Impact Scenario Tier-1 Automotive Component Manufacturer | 3,400 SAP Users
£740,000 Contractor Fees Saved
4 Days Role Generation Time
9 Months Critical Path Reclaimed
Zero Milestone Penalty Costs

The Outcome: Operating on tight just-in-time assembly schedules, the company was quoted an 11-month timeline and £920,000 in fees by their systems integrator to perform manual SAP S/4HANA role redesign across 310 complex plant maintenance and warehouse roles. Deploying CORTEX REFRAME directly in their dev tier, the platform digested 14 months of background activity logs and generated fully compliant PFCG roles in 4 days. This eliminated £740,000 in consulting overhead, protected OEM supply SLAs, and prevented project slip penalties.

2

Role Redesign & Obsolete Codes

Critical Pillar Overview An essential step in SAP S/4HANA role redesign and S/4HANA role migration is stripping deprecated transactions. Moving from ECC to S/4HANA is an architectural overhaul that permanently deprecates hundreds of core transaction codes. When classic functional transactions are retired in favour of modern frameworks like Business Partner (BP) or unified financial ledgers, simply migrating legacy security roles guarantees immediate operational failures. Organisations must proactively detect obsolete code dependencies and replace them with modernised S/4HANA authorisation objects before cutover to ensure daily business continuity.
⚠ Consequences of Inaction
Systemic Operational Failure

Lifting legacy ECC roles into S/4HANA breaks core workflows instantly. Hundreds of everyday transaction codes, such as vendor and customer creation XK01 and XD01 replaced by Business Partner BP, or inventory movement MB01 moved to MIGO, are retired under the official SAP Simplification List.

User Frustration & Workarounds

Users hit immediate authorisation crashes (SU53) on Day One. Unable to perform routine jobs, team members flood helpdesks with tickets, resort to uncontrolled offline spreadsheets, and pressure IT into granting unsafe temporary permissions.

Severe Customer Fallout

When customer onboarding or sales order generation transactions crash, customer accounts cannot be created or billed. Deliveries get held up at the warehouse, lead times slip, and customer satisfaction plunges.

✔ The Strategic Solution
Automated Simplification Mapping

Proactively scan your entire legacy role catalogue against the SAP Simplification Database. Automated SAP S/4HANA role redesign detects every retired, obsolete, or altered T-code and replaces it with its exact S/4HANA equivalent and modernised authorisation objects, aligning directly with Clean Core SAP security.

Seamless User Transition

End users log into S/4HANA and find their day-to-day screens functioning without friction. Transaction changes are transparently accounted for within the security architecture, eliminating authorisation-related helpdesk calls.

Unbroken Customer Fulfillment

Customer accounts are established without delay, sales orders execute cleanly through the new Business Partner data model, and warehouse dispatch operates without a hitch from Day One.

The CORTEX Impact
Dynamic Simplification Mapping

Embedded with SAP’s Simplification Database, CORTEX REFRAME scans legacy roles to identify deprecated T-codes and retired programmes before cutover.

Automated Code Substitution

It automatically substitutes modern target equivalents, such as Business Partner (BP), updating authorisation objects and child roles to eliminate Day-One SU53 permission crashes.

Clean Core Compliance

The system verifies that all replaced transactions adhere to modern SAP architecture rules, preventing legacy custom modifications from interfering with future release updates.

Enterprise Impact Scenario UK Water & Infrastructure Utility | 6,200 SAP Users
340+ Retired Codes Mapped
Zero SU53 Go-Live Tickets
£310,000 Hypercare Costs Saved
100% Field Asset Continuity

The Outcome: Over 340 legacy asset management and vendor maintenance transactions were scheduled for retirement, threatening to cause thousands of daily permission errors across treatment facilities during their S/4HANA role migration. Leveraging CORTEX REFRAME, the utility cross-referenced their active catalogue against the Simplification Database, automatically modernising roles with valid Business Partner and plant maintenance authorisations. Cutover achieved zero permission tickets, saving £310,000 in hypercare firefighting and keeping infrastructure dispatch operational without pause.

3

Testing Fatigue & Trace Simulation

Critical Pillar Overview User Acceptance Testing (UAT) is consistently one of the most disruptive phases of an ERP transformation. Validating Clean Core SAP security and roles during an S/4HANA role migration without operational disruption requires technical automation. Requiring key operational personnel to halt daily responsibilities to test clunky, artificial authorisation scenarios produces severe testing fatigue, hurried sign-offs, and critical access oversights. By transitioning to automated background trace simulation, enterprises rigorously validate target security profiles against 12+ months of real-world user activity, ensuring complete coverage with zero business disruption.
⚠ Consequences of Inaction
Productivity Drain & Revenue Loss

Forcing hundreds of operational leads across finance, manufacturing, and logistics to down tools for weeks of manual UAT consumes thousands of working hours. Operational bottlenecks form across everyday tasks while core business responsibilities are delayed.

Superficial Testing & Hidden Flaws

Burdened with repetitive test scripts, frustrated staff rubber-stamp approvals without thorough testing. Critical authorisation gaps remain undetected until production cutover, leading to failed compliance assurance under ISAE 3000.

Customer Service Disruptions

Unresolved authorisation blind spots surface in production, meaning billing runs fail, credit checks malfunction, and customer service desks cannot process urgent client inquiries, damaging brand reputation.

✔ The Strategic Solution
Virtual Background Trace Simulation

Validate proposed S/4HANA roles automatically by replaying 12+ months of actual historic user activity logs against the target authorisation design. Background simulation validates your S/4HANA role migration and mathematically verifies that every required task is covered without requiring manual testing.

Zero Operational Burden

Operational personnel remain focused 100% on revenue-generating business duties. Testing sign-off is backed by empirical coverage analytics rather than rushed human checklists.

Flawless Commercial Execution

Target roles deploy with verified completeness. Order-to-cash and procure-to-pay pipelines execute seamlessly, ensuring high customer satisfaction and steady operational delivery throughout migration.

The CORTEX Impact
Deep Trace Compression

CORTEX VAULT captures and compresses up to two years of SAP execution logs (ST03N and SM20) in native tables, establishing baseline stability for long-term S/4HANA licence optimisation.

Synthetic User Replay

VAULT validates new S/4HANA roles against 12 months of actual user history, verifying access coverage in the background and eliminating manual UAT fatigue entirely.

Auditable Sign-Off Evidence

The platform generates mathematical validation reports that satisfy internal risk committees and external assurance assessors under ISAE 3000, establishing full operational readiness before cutover.

Enterprise Impact Scenario Multinational Pharmaceuticals Group | 5,800 SAP Users
4,200 Hrs Manual Testing Reclaimed
£470,000 Productivity Capital Saved
99.8% Trace Validation Match
ISAE 3000 Full Regulatory Sign-Off

The Outcome: Facing strict GxP and validation requirements during their S/4HANA role migration, standard testing methodologies called for 4,500 hours of manual script execution across lab and supply chain leads, threatening product launch dates. By running CORTEX VAULT, the enterprise simulated 18 months of real user execution logs against newly built S/4HANA roles, automatically testing 99.8% of daily routines in the background. This saved £470,000 in internal labor capacity and provided auditors with pristine ISAE 3000 validation files with zero trial disruption.

4

Toxic Access & SAP Segregation of Duties

Critical Pillar Overview SAP Segregation of Duties (SoD) is the primary internal safeguard against corporate fraud and material accounting misstatements. Across years of operating legacy ECC systems, informal permission grants and role copying inevitably introduce toxic access combinations, such as single users holding permissions to both set up vendor bank details and release payment batches. If these unpruned permissions transition into S/4HANA, they violate Clean Core SAP security, present direct statutory audit liabilities, and expose the enterprise to significant financial crime risks.
⚠ Consequences of Inaction
Corporate Fraud & Regulatory Fines

Allowing toxic permission combinations creates direct breaches of SAP Segregation of Duties, such as maintaining vendor masters while executing payment runs. Statutory auditors issue qualified audit opinions under SOX Section 404 and the UK Corporate Governance Code.

User Scrutiny & Workplace Friction

When audits flag broad, unmonitored privileges, employees face stressful investigations and intrusive remediation interviews. Internal teams operate under suspicion, and administrative friction slows routine business approvals.

Supplier & Customer Impact

Compromised internal controls can expose supplier master data to payment diversion fraud. Payment runs get frozen by panicked compliance teams, delaying payments to key suppliers and disrupting downstream customer deliveries.

✔ The Strategic Solution
Automated Pre-Deployment Risk Screening

Screen all role designs continuously at the authorisation object and field value level before roles are assigned to users. Enforce automated SAP Segregation of Duties rules using algorithmic conflict engines to prevent conflicting capabilities from ever being bundled together into production PFCG profiles.

Empowered, Transparent Teams

Staff work with clean, clearly defined roles aligned with their specific job responsibilities. Operational approvals move rapidly through auditable, pre-approved governance matrices without red tape.

Protected Ecosystem Integrity

Corporate financial assets and master records remain safeguarded against fraud. Supplier relationships flourish with predictable, on-time payment runs, and external statutory auditors receive clean, uncompromised control evidence.

The CORTEX Impact
Real vs. Theoretical Risk Isolation

CORTEX INSIGHT resolves complex SAP Segregation of Duties challenges by cross-referencing assigned authorisations against live execution data, cutting through false alarms to highlight only actively executed toxic SoD combinations.

Visual Executive Dashboards

INSIGHT translates dense technical matrices into intuitive risk heatmaps with automated control documentation, satisfying SOX 404 and UK Corporate Governance audits in seconds.

Preventative Role Sanitisation

The module blocks high-risk combinations during the design phase, automatically proposing safe compensatory role separations before authorisation transports leave development.

Enterprise Impact Scenario Commercial Banking & Specialty Insurance Group | 2,200 SAP Users
87 to 0 High-Risk SoD Conflicts
£650,000 Audit Penalty Avoidance
100% SOX 404 Control Match
48 Hours Clean Remediation Cycle

The Outcome: An external statutory review flagged 87 severe SAP Segregation of Duties clashes across general ledger postings, bank maintenance, and outbound settlement runs during their S/4HANA role migration, threatening an adverse internal controls opinion. Applying CORTEX INSIGHT, compliance officers discovered 72 conflicts were dormant permissions from legacy acquisitions. Active risks were remediated at the field level within 48 hours, eliminating £650,000 in potential regulatory penalties and audit remediation retainers.

5

The FUE Multiplier Trap

Critical Pillar Overview A central objective of S/4HANA licence optimisation during an S/4HANA role migration is avoiding the thirty-fold price penalty between Self-Service and Advanced user tiers. Licensing is governed strictly by the potential capabilities granted in a user’s role profile, rather than what they actually do. Because the mathematical weighting between an Employee Self-Service user (1:30) and an Advanced user (1:1) is thirty-fold, a single unused, high-level authorisation object hidden inside a profile will multiply that user’s commercial cost thirty times over. Protecting your ongoing OPEX budget demands automated, granular role pruning prior to contract execution.
⚠ Consequences of Inaction
Asymmetric Licensing Penalties

Under automated system audits, a single unpruned, high-tier transaction, such as configuration display or general ledger administration, instantly elevates an ordinary worker into an Advanced User tier. Failing to execute S/4HANA licence optimisation triggers 3,000% cost inflations per seat, meaning multi-year subscription budgets evaporate across thousands of users.

Arbitrary Operational Throttling

When leadership discovers massive licensing shortfalls, procurement teams often enforce crude headcount caps or restrict user access arbitrarily, leaving staff without the tools needed to complete their daily jobs.

Degraded Customer Support

Front-line staff operating under artificially restricted user licences cannot resolve client issues, handle returns, or adjust orders. Response times increase and customer service quality declines.

✔ The Strategic Solution
Surgical Authorisation Pruning

Deploying automated role pruning delivers measurable S/4HANA licence optimisation, locking users into legitimate Core (1:5) and Self-Service (1:30) brackets while preserving daily operational capabilities.

Uncompromised Workplace Efficiency

Staff retain full, uninterrupted access to perform their operational duties without unnecessary administrative barriers. Licence allocations match real-world responsibilities rather than unmanaged legacy permissions.

Commercial Budget Protection

Annual cloud subscription expenditures are reduced and predictable. Enterprises secure the lowest possible contractual FUE baselines, freeing capital to invest in customer experience and business growth.

The CORTEX Impact
Surgical Object Pruning

CORTEX ECHO automates S/4HANA licence optimisation by pinpointing the exact authorisation objects and configuration display permissions forcing ordinary users into expensive Advanced tiers, pruning them automatically.

Live Financial Guardrails

ECHO models contractual subscription savings before negotiations and actively alerts administrators if a new assignment risks escalating a user’s FUE tier.

Permanent Cost Containment

By enforcing baseline FUE allocations continuously, ECHO ensures new starters or role changes never introduce silent tier creep into active subscription commitments.

Enterprise Impact Scenario UK Building Products & Logistics Distributor | 1,800 SAP Users
£780,000 Annual True-Up Protected
420 Users Returned to 1:30 Tier
100% FUE Ratio Compliance
Zero Cuts To Operational Permissions

The Outcome: Copied ECC security profiles had inadvertently assigned table maintenance access to 420 depot yard staff, reclassifying all of them as Advanced 1:1 FUE users instead of Self-Service 1:30. At renewal, this single permission bloat carried a £780,000 unbudgeted price surge. CORTEX ECHO automatically stripped the dormant configuration objects, delivering £780,000 in permanent S/4HANA licence optimisation value, locking workers into legitimate Self-Service categories without disrupting warehouse trade.

6

Surprise Digital Access & DAAP

Critical Pillar Overview Effective S/4HANA licence optimisation must look beyond named users to external interfaces. Enterprise digital transformation connects SAP directly with best-of-breed ecosystems, from Salesforce and Workday to eCommerce platforms, IoT devices, and EDI pipelines. Under SAP’s Digital Access model, external applications that write records into the core ERP trigger measurable document licensing charges. Without independent technical tracking of automated interface volume across the 9 billable document types, organisations face sudden six- or seven-figure retroactive true-up claims from SAP auditors.
⚠ Consequences of Inaction
Retroactive Audit Liabilities

External systems writing data into SAP create billable documents across 9 specific document types under the SAP Digital Access Model. Unmonitored interfaces destroy the business case for S/4HANA licence optimisation, exposing the business to unexpected multi-million pound true-up claims during GLAC reviews.

IT Integration Gridlock

When unexpected indirect licensing bills arrive, leadership often freezes new digital initiatives. System architects are forced to halt strategic integration projects and spend months manually auditing interface traffic.

Customer Portal Disruption

If third-party interfaces or customer self-service ordering portals are throttled to avoid licensing charges, external customers experience order delays, inventory sync errors, and checkout failures.

✔ The Strategic Solution
Independent Interface Auditing

Comprehensive S/4HANA licence optimisation requires auditing automated interfaces alongside named human users to prevent double-charging across indirect documents. Deploy real-time document measurement tooling to filter out read-only queries, subsequent document creations, and internal automated tasks.

Strategic Programme Adoption

Model your exact document volume to evaluate adoption incentives under SAP’s Digital Access Adoption Programme (DAAP). Eliminate dual-licensing risks, where users are charged for both named-user access and indirect documents.

Seamless Digital Integrations

Connect customer portals, modern CRM applications, and automated supply chain pipelines with full commercial clarity, delivering modern digital experiences to customers without financial exposure.

The CORTEX Impact
Automated Document Measurement

CORTEX CENTRAL provides complete visibility for S/4HANA licence optimisation by tracking technical traffic across all 9 chargeable document types in real time, filtering out read-only queries, internal batch jobs, and subsequent documents.

DAAP Commercial Optimisation

CENTRAL compares document counts against named-user entitlements, providing clear financial models for DAAP adoption and shielding your budget from retroactive audit claims.

Dual-Licensing Elimination

The platform cross-checks human user IDs against automated interfaces, preventing SAP from double-charging for transactions created by named users through third-party web portals.

Enterprise Impact Scenario Global Industrial Equipment Manufacturer | 9,400 Users across 42 Connected Systems
£1.76m Audit Claim Avoided
58% Unbillable Activity Disproved
£2.1m to £340k Claim Defended & Settled
42 Portals Fully Certified Clean

The Outcome: An unannounced vendor license review issued a preliminary £2.1m indirect access true-up liability based on automated Salesforce, IoT, and e-commerce document creation counts. Deploying CORTEX CENTRAL, the architecture team secured £1.76m in verified S/4HANA licence optimisation savings by isolating transaction streams across all 9 document categories and proving that 58% were non-billable subsequent events and internal queries. Armed with mathematical proof, the company settled under DAAP for £340,000, successfully preserving its cash reserves.

7

Fiori Launchpad & Service Catalogues

Critical Pillar Overview Harmonising front-end Fiori apps with back-end security is vital for Clean Core SAP security and S/4HANA licence optimisation. The shift from the traditional SAP GUI desktop client to the web-based Fiori Launchpad is the cornerstone of modern S/4HANA user adoption. However, security architects frequently struggle to link front-end UI tiles with back-end security roles. Simply assigning standard, unpruned Fiori role templates inundates end users with broken or empty tiles, triggers OData authorisation errors, and unintentionally escalates user licensing tiers. Seamless adoption requires aligning front-end Business Catalogues with back-end PFCG security.
⚠ Consequences of Inaction
Silent Licence Tier Inflation

Assigning standard out-of-the-box SAP Fiori role templates (SAP_BR_*) without customisation sabotages S/4HANA licence optimisation by granting broad access to dozens of unneeded apps and underlying transactions, silently reclassifying thousands of users into top-tier Advanced FUE licences.

User Frustration & Clutter

Employees are greeted by confusing launchpads cluttered with non-working tiles, duplicate options, and blank screens. Frustrated staff abandon the modern web interface, attempting to bypass security to return to legacy GUI screens.

Slowed Customer Responsiveness

Customer-facing personnel, such as call centres, account managers, and branch staff, waste critical minutes navigating disorganised menus to find client data. Response times slow and overall service quality degrades.

✔ The Strategic Solution
Front-to-Back Role Harmonisation

Align back-end PFCG authorisations directly with front-end Fiori Business Catalogues, Spaces, and Pages. Structured SAP S/4HANA role redesign strips out unused standard tiles and restricts underlying OData services (IWSG and IWSV) strictly to approved job profiles.

Clean, Intuitive User Experience

Employees receive clean, responsive Launchpads containing only the specific applications needed for their work. User adoption increases, training requirements decrease, and authorisation errors are eliminated.

Rapid Customer Support

Customer service and sales teams access order histories, inventory balances, and pricing data instantly through fast, streamlined Fiori apps, boosting customer satisfaction.

The CORTEX Impact
Integrated Fiori Workbench

CORTEX REFRAME connects back-end PFCG security directly to front-end Fiori Business Catalogues, Spaces, and Pages, establishing Clean Core SAP security while stripping out redundant tiles and preventing user tier inflation.

Automated OData Provisioning

It automatically assigns required OData services (IWSG and IWSV) to prevent broken screens, ensuring clean user adoption and rapid customer responsiveness.

Role-to-App Synchronization

REFRAME ensures that when backend authorisations are pruned or adjusted, corresponding Launchpad tiles update automatically, keeping front-end UX aligned with security compliance.

Enterprise Impact Scenario UK Public Services & Infrastructure Authority | 18,500 Active SAP Users
88% Ticket Reduction in 14 Days
£1.12m FUE Inflation Avoided
96% User Adoption Rate
2,800 Seats Protected from Advanced Tier

The Outcome: Standard out-of-the-box Fiori business role templates (SAP_BR_*) triggered over 4,000 internal support tickets within 10 days of deployment due to blank screens and broken OData connections, while silently elevating 2,800 users into Advanced FUE categories. Implementing the Fiori Workbench in CORTEX REFRAME, engineers mapped backend authorisations cleanly to custom catalogues. User support tickets dropped by 88% in a fortnight, user adoption reached 96%, and targeted S/4HANA licence optimisation averted an unbudgeted £1.12m FUE charge.

8

Audit Panic & Forensic STAR Defence

Critical Pillar Overview Maintaining an immutable counter-audit repository ensures Clean Core SAP security and defends S/4HANA licence optimisation gains. When statutory auditors or SAP licensing inspectors launch an assessment, IT and security leads often scramble across disorganised spreadsheets and fragmented logs to defend their posture. Under modern auditing frameworks, manual explanations carrying informal intent are immediately rejected when measured against automated system metrics. Enterprise survival depends on having an immutable, technical counter-audit repository that provides forensic proof of proactive authorisation governance and role remediation.
⚠ Consequences of Inaction
Audit Capitulation & Settlements

When SAP’s GLAC auditors or external compliance teams present automated system findings, organisations relying on manual spreadsheets cannot provide defensible counter-evidence. Lack of empirical evidence leaves internal SAP Segregation of Duties controls undefended, forcing companies to capitulate to inflated six- or seven-figure true-up settlements.

Team Burnout & Scrambling

Every audit cycle triggers a company-wide emergency. Basis teams and business analysts lose weeks pulling disparate system logs, reconstructing authorisation histories, and firefighting audit inquiries.

Loss of Stakeholder Trust

Formal audit reprimands or internal control deficiencies under ISAE 3402 or SOC 1/2 erode investor, customer, and partner trust in corporate governance.

✔ The Strategic Solution
Immutable Technical Counter-Audit

Establish a real-time, tamper-proof audit repository that continuously records access governance, role remediation, and authorisation pruning. Continuous forensic logs protect your S/4HANA licence optimisation baseline and generate objective, data-backed counter-evidence to refute auditor claims before true-up demands are issued.

Calm, Automated Assurance

Replace frantic fire drills with on-demand compliance reporting. Security leads produce complete, defensible authorisation evidence at the push of a button, satisfying the most demanding inspection standards.

Market & Customer Credibility

Maintain clean internal accounting controls and regulatory certifications. Enterprise customers and partners trust your operational security, strengthening market reputation and commercial standing.

The CORTEX Impact
Continuous Audit Log Forensics

CORTEX SENSE validates Clean Core SAP security and audit integrity by continuously evaluating Security Audit Logs (SAL) to reconstruct complete authorisation timelines, tracking privilege elevations and critical parameter changes.

Automated Rebuttal Evidence

SENSE produces verifiable counter-audit reports that document proactive role pruning and real usage frequency, disproving auditor assumptions and meeting ISO 27001 and SOC 1/2 standards.

Forensic Integrity Verification

The module maintains immutable transaction histories directly within database tables, preventing accidental log deletions from weakening your defensive posture during formal audit reviews.

Enterprise Impact Scenario Aerospace & Advanced Defence Contractor | 4,600 Active SAP Users
£1.35m Audit Penalty Disproven
£0 Final Settlement Assessment
100% NCSC CAF Alignment
4 Hours Evidence Assembly Speed

The Outcome: During an aggressive compliance assessment, vendor auditors alleged £1.35m in unauthorized module usage based on automated system traces from engineering and production clients. The security team activated CORTEX SENSE, extracting immutable Security Audit Log histories that demonstrated active remediation, confirmed authorisation isolation, and proved total Clean Core SAP security compliance. The claim was settled for £0 within 4 hours of submission, confirming complete compliance with Ministry of Defence and NCSC CAF standards.

9

Leavers & Emergency Privileged Access

Critical Pillar Overview Privileged access management (PAM) and identity lifecycle governance are critical pillars of operational cybersecurity and compliance. Identity lifecycle governance reinforces SAP Segregation of Duties and prevents severe licensing waste. In many enterprise SAP environments, dormant accounts belonging to former employees remain active for months, while emergency “Firefighter” elevated privileges (SAP_ALL) assigned during project crunches are left unrevoked indefinitely. Securing your core ERP requires automated deprovisioning aligned with HR events, combined with time-boxed, auto-closing emergency session management.
⚠ Consequences of Inaction
Critical Cyber & Breach Exposure

Dormant accounts belonging to departed personnel and unmonitored emergency “Firefighter” privileges (SAP_ALL) are prime attack vectors for ransomware, data exfiltration, and internal sabotage. Unrevoked access breaches UK GDPR (Article 32) and NCSC PAM Guidance, creating substantial fine exposure.

Ongoing Licensing Drain

Dormant user accounts silently erode S/4HANA licence optimisation by consuming active user subscription quotas, needlessly inflating monthly operational costs for staff who have long since left the business.

Compromised Customer Data

Uncontrolled privileged accounts put sensitive customer data, proprietary formulas, and financial accounts at risk. A data breach destroys client confidence and incurs severe statutory reporting liabilities.

✔ The Strategic Solution
Automated Deprovisioning & Governance

Implement automated identity lifecycle workflows linked directly to HR systems to strengthen Clean Core SAP security. Instantly revoke permissions and reclaim user licences when personnel depart or shift business roles.

Self-Terminating Privileged Sessions

Enforce strict, time-bound Firefighter access for emergency maintenance. Elevated sessions automatically expire when tasks finish, generating immutable, auditable activity logs for security reviews.

Robust Customer & Asset Protection

Customer data, intellectual property, and transactional ledgers remain protected against unauthorised access. The organisation maintains a robust cybersecurity posture aligned with international data security standards.

The CORTEX Impact
Automated Identity Deprovisioning

CORTEX PULSE integrates with HR systems to lock accounts and revoke permissions the moment staff depart, eliminating dormant account risk and instantly reclaiming licence quotas.

Self-Terminating Privileged Access

PULSE guarantees that SAP Segregation of Duties policies are strictly maintained during emergency “Firefighter” sessions with mandatory business codes and auto-closing session timers, logging every transaction into a tamper-proof review trail.

Automated Access Reviews

The platform orchestrates periodic User Access Reviews (UAR) across line managers, revoking accumulated excess authorisations automatically without generating spreadsheet backlogs.

Enterprise Impact Scenario Energy Generation & Retail Operator | 7,100 SAP Users & 1,200 External Contractors
380 Accounts Leavers Deprovisioned
£215,000 Direct Licences Reclaimed
98% Drop In Lingering Elevated Privileges
Zero UK GDPR Critical Findings

The Outcome: An internal cybersecurity audit revealed 380 contractor profiles active 90+ days after departure, alongside 42 open-ended emergency Firefighter sessions (SAP_ALL) lingering indefinitely across development and production systems. Integrating CORTEX PULSE directly with Workday HR events, accounts were locked and revoked automatically upon departure, reclaiming £215,000 as part of wider S/4HANA licence optimisation efforts. Automated time-boxed Firefighter sessions reduced emergency access windows by 98%, eliminating all critical UK GDPR Article 32 audit reprimands.

Ready to Implement S/4HANA Licence Optimisation & Secure S/4HANA Role Migration?

Avoid unexpected FUE true-ups, migration delays, and audit findings. Connect directly with our UK-based architectural team to achieve permanent S/4HANA licence optimisation, accelerate your S/4HANA role migration, and maintain Clean Core SAP security with the CORTEX Suite.

See the Cortex Suite in Action
Prefer direct contact? Email us at info@tangotec.co.uk or call 01905 621108