In 2025, data migration is no longer just a backend IT project – it’s a strategic catalyst for transformation.

This is especially true for SAP customers navigating the shift to SAP S/4HANA, migrating to the cloud, or modernising legacy SAP systems. For organisations embracing digital transformation, consolidating systems post-acquisition, or simply aiming for greater performance and efficiency, an innovative, well-considered SAP data migration strategy is essential.

At GlueData, we’ve seen firsthand how the right action plan can unlock new levels of agility and insight. But we’ve also seen the consequences of treating migration as a checkbox exercise. Let’s take a closer look at why your strategy matters – and the key questions that leaders across roles – from CIOs and SAP leads to enterprise architects – should ask before jumping in.

Why a Data Migration Strategy is Critical

Too often, organisations approach SAP data migration as a technical task: move data from A to B. But without a strong, business-aligned data migration strategy, risks mount quickly.
Let’s look at why a well planned data migration strategy is critical – not just to unlock value, but to avoid the common pitfalls that can derail SAP transformations.

1. Avoiding costly mistakes

Without precise planning, migrations can exceed budget or deadlines or, worse, compromise business continuity. For example, an organisation might underestimate the complexity of cleansing, mapping, and selecting the right data for migration, only to encounter inconsistencies and duplicates late in the process. The result? Extended downtime and a costly remediation phase.

2. Ensuring data quality

The value of your new system – especially SAP S/4HANA – relies on the quality of your data. Migrating incomplete, inaccurate, or outdated data can severely limit the potential of process automation, analytics, and AI.

3. Meeting compliance and governance needs

With global regulations like GDPR, POPIA, and industry-specific compliance standards, data governance and quality are no longer optional – they’re essential elements of any SAP migration strategy.

4. Supporting business continuity

A seamless migration minimises disruption to daily operations, ensuring your team can keep working while your systems get smarter.

Key Questions to Ask When Crafting Your Data Migration Strategy

Framing your migration around the right questions helps you move from uncertainty to clarity.
Here are 9 essential questions to guide your SAP data migration planning:

1. What are the business goals driving your migration?
Whether it’s IT modernisation, cloud adoption, cost reduction, or a broader digital data transformation, clarity on your business objectives will shape every technical decision.

2. Are you migrating from one or multiple legacy SAP systems?
Multiple source systems often mean inconsistent data models and duplicate records. Understanding your system landscape is essential for designing the right approach.

3. Which SAP ERP version are you currently using?
Your starting point affects everything – from available migration tools to how much rework may be required when moving to SAP S/4HANA.

4. What is the size and complexity of your current database?
Large or complex datasets require detailed planning around runtime, storage, and performance tuning, not to mention bandwidth if cloud migration is involved.

5. How much historical data needs to be retained?
Not all data needs to make the journey. Defining retention rules upfront can reduce migration time and improve system performance.

6. What’s the current state of your data quality?
Migrating poor quality, inaccurate data can derail even the most advanced systems. This is where data profiling, data cleansing, and data transformation are essential.

7. What are your compliance and governance requirements?
Beyond technical considerations, compliance frameworks often dictate how long data must be stored, how it must be handled, and who has access.

8. Who are the stakeholders, and are they aligned?
Cross-functional alignment between business, IT, compliance, and executive stakeholders ensures a smooth, value-driven migration.

9. What does success look like, and how will it be measured?
Set clear, measurable KPIs tied to business outcomes. Is success a seamless cutover? Improved reporting speed? Higher data accuracy? Define it early.

Common Pitfalls in Data Migration

Even well-intentioned migrations can falter if the basics aren’t handled correctly.
Watch out for these easy mistakes:

  • Underestimating data complexity
    It’s never just ‘copy and paste.’ SAP data is often interdependent, hierarchical, and embedded across processes.
  • Skipping data profiling and cleansing
    Without proper data quality and governance checks, poor data is guaranteed to follow you into your new system.
  • Poor stakeholder alignment
    If business users and IT teams aren’t on the same page, expect delays and mismatched expectations.
  • Relying on generic ETL tools for SAP data
    SAP data migration requires SAP-specific tools, logic, and expertise. Generic extract-transform-load tools often fail to handle SAP’s nuanced data models and business logic.

Make Data Migration a Strategic Investment

Your SAP data migration is more than a one-off project – it’s a valuable opportunity to optimise, modernise, and future-proof your business. It deserves careful planning, stakeholder alignment, and a strategy that turns data into a true business asset.

At GlueData, we specialise in SAP data migration – helping organisations migrate with confidence, ensuring their data is clean, compliant, and ready for the future.

Need support with your data migration strategy? Explore GlueData’s SAP Migration Services.