SAP transformations, data migration and legacy retirement
Don't drag decades of legacy data into SAP S/4HANA just because nobody has a better plan.
SAP ECC 6.0 mainstream maintenance ends December 31, 2027. The decisions you make about data now will shape the cost, complexity and AI readiness of your ERP for the next decade. Celeriti helps you right-size the move, so SAP S/4HANA starts with a clean core and your history stays fully accessible.
Why now
The 2027 deadline is a data decision as much as a software decision.
SAP ECC 6.0 end of mainstream maintenance
Dec 31, 2027
Experienced SAP resources are getting scarcer as the deadline approaches. And SAP's newest capabilities, including Joule, Joule Agents and SAP Business AI Platform, depend on a clean core and trustworthy data. Most SAP ECC organizations are choosing between three paths:
SAP Cloud ERP Private
Formerly RISE with SAP. SAP S/4HANA, infrastructure and support in one subscription.
SAP Cloud ERP
Public cloud with GROW with SAP. Standardized, fast and continuously updated.
On-premise SAP S/4HANA
Full control of infrastructure, with a clean-core design to protect future upgrades.
Whichever path you choose, one question drives cost, risk and timeline more than almost any other: what happens to your data?
The problem
Everything moves. Or too much stays alive.
The business still needs access. Reporting teams still need history. No one wants to risk compliance, audit or continuity. So organizations move everything into SAP S/4HANA, or keep old systems running indefinitely, and the clean-core strategy is undermined before go-live.
The real risk of a rushed data strategy
Higher infrastructure and operating costs
A larger migration scope than necessary
Poor data quality in the target environment
Broken or inconsistent historical reporting
Compliance and audit access gaps
Business disruption during or after cutover
Continued dependence on legacy systems
More complexity in SAP S/4HANA than needed
The goal isn't to move everything. It's to move the right data, preserve the right history and retire what no longer needs to run.
Our approach
Assess. Classify. Preserve. Migrate. Retire.
01
Assess
Review your SAP ECC 6.0 landscape, data volumes, reporting, compliance and legacy dependencies, mapped with SAP LeanIX.
02
Classify
Decide what moves into SAP S/4HANA, what is archived, what is retained outside the core, and what can be retired.
03
Preserve
Keep history accessible for reporting, audit, legal hold and continuity, without weighing down the new system.
04
Migrate
A cleaner migration with less data, clear ownership, stronger quality and a clean-core design.
05
Retire
Decommission legacy systems safely, with business-critical history still available.
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Architecture expertise, backed by a proven retirement platform.
Through our partnership with JiVS, Celeriti helps organizations keep access to historical SAP and non-SAP data while shrinking migration volumes and removing legacy dependencies. JiVS supports data archiving, application retirement, historical data access, compliance and SAP S/4HANA transformation scenarios. Celeriti brings the SAP, architecture, governance and executive decision-making expertise to apply it to your business.
Move what the business needs.
Preserve what the business must keep.
Retire what no longer needs to run.
Remove avoidable cost and complexity.
Celeriti is independent. We recommend JiVS where it fits your requirements, and we'll tell you when it doesn't.
What we help you decide
The decisions that define your migration.
What data to migrate into SAP S/4HANA
What history stays accessible outside the core
Which legacy systems to retire, and when
How reporting and audit access are preserved
Greenfield, brownfield or selective data transition
What data quality work must happen before cutover
How migrated data feeds SAP Business Data Cloud and AI
What it will cost, and what it will save
Business outcomes
What a smarter data strategy delivers.
Reduce avoidable cost
Cut licensing, storage, infrastructure and support by retiring systems that no longer need to run.
Protect data integrity
Migrate less, cleanse more, and start SAP S/4HANA with data the business can trust.
Preserve historical reporting
Years of history available for reporting, audit and legal holds, outside the new core.
Reduce migration complexity
Smaller volumes mean shorter cutovers, simpler testing and lower project risk.
Accelerate AI readiness
A clean core and governed data give Joule Agents trustworthy business context from day one.
Beyond migration
Your new ERP should be ready for AI on day one.
A migration is the best chance you'll get to build the foundation for enterprise AI. We make sure your SAP S/4HANA design supports SAP's AI direction.
Clean core
Standard processes in the ERP, extensions on SAP BTP, so every SAP innovation can be adopted quickly.
SAP Business AI Platform
SAP BTP, SAP Business Data Cloud and SAP AI Foundation, unified for building and governing AI.
Joule & Joule Agents
SAP's AI copilot and agents across finance, procurement, supply chain and HR.
SAP Business Data Cloud & SAP Datasphere
Governed data products with business meaning intact, shared zero-copy with Snowflake and Databricks.
SAP Signavio
Process mining to confirm a fit-to-standard design before you build.
SAP LeanIX
Landscape mapping and application rationalization, so you retire the right systems.
Start here
SAP Data Migration Readiness Assessment
A focused assessment for organizations planning their SAP ECC 6.0 to SAP S/4HANA move.
SAP ECC 6.0 data and legacy landscape review
Historical reporting and compliance needs
Data classification recommendations
Migrate, archive, retain and retire strategy
JiVS fit and opportunity assessment
Clean-core and AI-readiness considerations
Risk and continuity review
Executive decision brief and next steps
Make your SAP S/4HANA migration cleaner before it gets more expensive.
Book a data migration assessment