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      Large-scale ERP transformations, particularly those involving SAP S/4HANA, are often positioned as strategic turning points. They promise streamlined operations, better data, and a foundation for future growth. Yet in practice, many of these programs fall short of expectations. Not because the technology fails, but because the conditions needed for success are not fully in place.

      Working across a range of SAP transformation efforts, similar challenges consistently emerge, and they are rarely technical. Instead, they stem from how the program is structured, governed, and executed. The encouraging part is that these issues are well understood and can be avoided with the right approach.

      Below are some of the most common ways SAP programs go wrong, and what organizations can do to avoid them.

      An unclear definition of success

      One of the earliest and most consequential missteps is the absence of a well-defined end goal. Many programs begin with a broad ambition to modernize or standardize, but lack a concrete articulation of what success actually looks like. Without a clear business case tied to measurable outcomes, it becomes difficult to make informed decisions throughout the program. Over time, this leads to scope drift, conflicting expectations, and difficulty demonstrating value.

      Strong programs invest early in defining success in practical terms. What specific improvements are expected? How will they be measured? Which trade-offs are acceptable? Alignment at this stage creates a stable foundation for everything that follows.

      Over-reliance on internal perspectives

      Another common pitfall is relying solely on internal governance structures to assess program health. While internal teams bring valuable context, they are often too close to the work to objectively evaluate risks and progress.

      Without an external perspective, assumptions can go unchallenged and early warning signs may be overlooked. Independent quality assurance introduces a layer of objectivity that helps surface issues before they escalate. Organizations that incorporate this outside view tend to identify risks earlier and respond more effectively.

      Lack of an independent voice

      Closely related to the previous point is the absence of a truly independent voice within the program. When those responsible for delivery are also the ones reporting on progress, there is an inherent tension. Risks may be downplayed, and challenges framed as temporary setbacks rather than structural issues. This dynamic can delay critical interventions until problems become too large to ignore.

      Introducing a governance mechanism that allows for unbiased reporting helps ensure that concerns are raised transparently and addressed in time.

      Anthony Van de Ven

      Partner, Technology Advisory

      KPMG in Belgium

      Limited business ownership

      ERP transformations are often perceived as IT-driven initiatives, but their success depends heavily on business engagement. When business teams take a passive role, key decisions are left to system integrators or technical teams who may not fully understand the organization’s operational reality. This can result in processes that technically function but do not align with how the business actually operates.

      Effective programs position business leaders as active owners of their processes. They are involved in design decisions, accountable for outcomes, and empowered to challenge assumptions.

      Delayed focus on change management

      A technically sound system does not guarantee a successful transformation. One of the most underestimated aspects of SAP programs is the human side of change. Too often, change management is treated as a final step, something to address shortly before go-live. By then, it is usually too late. This lack of clarity leads to low adoption, frustration, and ultimately a failure to realize the intended benefits.

      Change management should be integrated from the outset. This includes clear communication, targeted training, and ongoing support. More importantly, it involves helping people understand the “why” behind the transformation, not just the “how.”

      Underestimating data migration

      Data migration is frequently viewed as a technical exercise that can be addressed toward the end of the program. In reality, it is one of the most complex and critical components of any SAP transformation. Poor data quality, unclear ownership, and lack of preparation can delay timelines, drive rework, and threaten go-live.

      Successful programs treat data as a core workstream from day one. This means identifying data owners, cleansing and validating data early, and conducting multiple migration cycles to ensure readiness.

      Strong governance underpins successful transformation

      Many of these challenges point to a broader issue: weak governance. Without clear roles, decision rights, and escalation paths, programs lose direction and momentum. Good governance enables faster, better decisions by clarifying accountability, aligning stakeholders, and resolving issues quickly. It also helps organizations manage complexity and adapt to change.

      SAP transformations are complex but not unpredictable, and the same issues tend to appear across organizations. Success depends less on avoiding challenges and more on addressing them early. It requires more than technical expertise. It depends on clear purpose, strong leadership, business ownership, and a willingness to challenge assumptions.

      Organizations that define a clear vision, ensure independent oversight, engage the business early, and prioritize change and data from the start are more likely to succeed. Real transformation happens when organizations take ownership of both systems and ways of working, moving forward step by step with the right structure and mindset.

      Read our brochure on quality assurance and business integration on SAP S/4HANA transformations, and discover how to keep programs aligned, governed, and on course for success.

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      Quality assurance and business integration on SAP S/4HANA transformations

      Quality assurance and business integration on SAP S/4HANA transformations

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