SAP Certified - SAP S/4HANA Conversion and SAP System Upgrade
Independent, reasoning-first practice for the SAP® E_S4CON System Conversion and Upgrade certification, built for the 2026 Scenario-Based Assessment format.
Who it's for: Technical consultants, Basis administrators, and system specialists — and experienced SAP professionals moving into an S/4HANA transition role — who want a recognized specialist credential proving they can plan and carry out a technical SAP S/4HANA conversion and a full system upgrade end to end, from readiness analysis and tooling through data migration, custom-code adaptation, and post-change validation.
The SAP® E_S4CON certification confirms that a technical consultant can carry an existing SAP landscape onto SAP S/4HANA and manage a full release upgrade from an administrator's standpoint. Rather than testing terminology alone, it examines whether you can plan and run the transition end to end — assessing the source system, driving the maintenance and update tooling, migrating data, adapting custom developments that no longer fit the changed data model, monitoring the system through each phase, and validating the result afterward. Because it is delivered as a Scenario-Based Assessment built around a single realistic activity, the credential rewards applied technical execution over recall, and it also addresses cloud-oriented deployment considerations alongside the classic on-stack conversion path.
What the exam covers
The blueprint areas to focus your preparation on.
SAP S/4HANA System Conversion Process
Planning and running the technical conversion of an existing ERP system onto SAP S/4HANA — pre-checks and readiness analysis, the maintenance planner, the Software Update Manager phases, and the sequence that moves the source database and application stack onto the new platform.
SAP System Upgrade & Software Maintenance
Executing a release upgrade of an SAP system from the administrator's perspective — preparing the landscape, applying support packages and stack updates, and using the maintenance and update tooling to keep downtime controlled and the outcome consistent.
Data Migration & the S/4HANA Data Model
Handling the data-migration work a conversion requires — adapting to the simplified S/4HANA tables and structures, running the migration steps, and validating that business data lands correctly in the new data model.
Custom Code Analysis & Adaptation
Analyzing existing custom developments against S/4HANA requirements, identifying code that no longer fits the changed data model, and adapting or remediating it so custom programs continue to run after conversion.
System Monitoring & Post-Change Validation
Monitoring the system throughout the conversion or upgrade, tracking each phase for errors, and validating technical health afterward so issues surface before users are affected.
Cloud Migration & Deployment Considerations
Weighing cloud-oriented migration and deployment options for the target S/4HANA landscape, including how infrastructure choices shape the conversion approach and ongoing operation.
Recommended learning path
The SAP learning-journey courses this certification draws on.
How to prepare
- 1Study the conversion as one connected flow — readiness analysis, maintenance planner, the Software Update Manager phases, data migration, and validation — so you can trace how an early decision affects every later phase.
- 2Drill custom-code adaptation deliberately: analyze existing developments against the simplified S/4HANA data model and practise remediating the code that no longer fits, since this is a frequent and high-value scenario focus.
- 3Treat data migration as its own study block — rehearse the migration steps and post-migration checks so you can confirm that business data lands correctly in the new S/4HANA structures.
- 4Practise system monitoring and validation hands-on: watch each conversion or upgrade phase for errors and confirm technical health afterward, because catching a problem early prevents cascading failures under task conditions.
- 5Rehearse the release-upgrade path alongside the conversion path, and factor in cloud-oriented deployment choices, so you can adapt your approach to whichever target landscape the scenario describes.
Practice E_S4CON in the real format
Reading is step one — the 2026 Scenario-Based Assessment rewards judgement you can defend. Train with original, performance-style scenarios and skill drills built for this exam — plus Scenario Roleplay, where an AI client stakeholder questions your reasoning and scores every objective.
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Free E_S4CON study guide (PDF)
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