SAP Business Suite 7 will have maintenance until 2027, with optional maintenance until 2030.

The sunsetting of SAP ECC 6.0 is coming up fast, and this time it isn't just a minor technical hiccup. This is a significant milestone that beckons a new era of enterprise resource planning. 

Some of you may be feeling a sense of dread welling up inside you at all of the work this is going to add to your plate.

Yes, SAP ECC 6.0 is approaching its end of life, but consider it an open door to innovation and transformation.

This guide will give you the low-down on how to survive the transition and come out on the other side in one piece. If you need more support, get in touch with our SAP advisors for a consultation.

10,000 ft. View Of The SAP ECC 6.0 Announcement

SAP's announcements surrounding their maintenance strategies are always pivotal. The recent declaration is no different and marks a significant course for organizations worldwide. 

For ECC 6.0, mainstream maintenance ends on December 31, 2026 for enhancement packs 0 through 5, while enhancement packs 6 through 8 are supported until December 31, 2027, with optional extended maintenance to 2030.

Here's where the deadlines actually stand as of April 2026:

• December 31, 2026: Mainstream maintenance ends for SAP ECC 6.0 EPs 0–5. If you're on one of these enhancement packs, this deadline is less than 8 months away.
• December 31, 2027: Mainstream maintenance ends for SAP ECC 6.0 EPs 6–8. This is the primary SAP ECC end of maintenance date most organizations are planning around.
• December 31, 2030: Optional extended maintenance ends. Available at a 2% premium above the standard rate, and only for EPs 6–8.
• Post-2030: Customer-specific maintenance only, at full cost but with significantly reduced support scope. No new support packages, legal change patches, or guaranteed kernel updates will be offered.

Where the market stands right now: As of late 2025, 59% of companies are fully or partially live on SAP S/4HANA, up 13 percentage points from 2024. But that means roughly 40% of ECC customers are not yet live. It’s estimated that only 39% of the original 35,000 ECC customers had fully migrated by the end of 2024, and even optimistic projections suggest just over half will have completed their transitions by 2027. 

As of early 2026, 35% of larger enterprises with the most complex landscapes remain in the planning or exploration phases. These are exactly the organizations for whom a rushed migration carries the highest risk.

“The first thing to realize is that there is no one size fits all solution. Walmart uses SAP in a vastly different way than Magic Leap. Before you start, get clear on your broader mission objectives and technology roadmap for your company. Either internally or with a trusted advisor. From there, working through that exploration, you’ll know the right option to go forward. Either an upgrade, redo from scratch, or pay the crazy high fees to stay maintenance compliant.” 

- Landon Cortenbach - CFO & SAP Advisor @ MSH

How This Affects Different Kinds of Organizations

1. The Greenfield Contenders

These are organizations that are running on older or heavily customized SAP systems. The landscape may be cluttered with legacy processes that no longer serve the business effectively. 

For these companies, opting for a greenfield approach with SAP S/4HANA could represent an opportunity to start anew. You can streamline operations, integrate innovative practices, and fully exploit the capabilities of the latest SAP offerings. It’s a chance to redefine the business model and set a solid foundation for the future.

For Greenfield Contenders, MSH can provide strategic consulting services to ensure a smooth transition. From talent acquisition to project management expertise, MSH offers the support needed to navigate the complexities of a new implementation.

2. The Upgrade Enthusiasts

These businesses operate on relatively up-to-date and standard SAP environments and are in a strong position to transition to SAP S/4HANA. An upgrade path for them is appealing as it promises enhanced performance, new functionalities, and the advantage of continuity. It’s a step-up approach that builds on their existing investment, offering a growth trajectory that is both familiar and progressive.

MSH excels at helping upgrade enthusiasts by providing the right talent who can facilitate a smooth upgrade. The focus is on ensuring that the transition is not only technically sound but also aligns with the business's strategic objectives. 

3. The Undecided Majority

Many organizations find themselves in the middle ground. They might have a mix of outdated and current systems, custom code, and third-party applications that make the decision less clear. These organizations need a tailored approach, one that considers the unique aspects of their existing systems and the best path forward.

This is where MSH truly shines. By acting as a strategic advisor, MSH can help the undecided majority assess their current systems, weigh the pros and cons of different approaches, and decide on a course of action that aligns with their long-term goals. 

Here’s How To Prepare

Transitioning to a new ERP system like SAP S/4HANA is a significant undertaking that requires meticulous planning and forethought. Here are a few key steps to make sure you’re ready for the change.

1. Clearly define business objectives and stakeholders 

Before embarking on the transition, you need to establish what your business aims to achieve with the new system. Identify the pain points in the current system, envision the desired outcomes, and engage all relevant stakeholders to align expectations and responsibilities. Stakeholder buy-in is essential for a smooth transition and for driving the project forward effectively.

2. Clearly define project scope and timeline (and budget)

Setting the boundaries for what the project will cover is vital. Understand the functionalities needed, the extent of data migration, and any customizations required. Alongside, a realistic timeline that accommodates all critical milestones should be established. It's equally important to outline the budget, which should factor in not only the direct costs of the implementation but also any ancillary expenses that may arise.

3. Evaluate data quality objectively and prioritize clean up efforts

Data is the lifeblood of any ERP system. Assessing the quality of the current data objectively can prevent costly issues down the line. It’s imperative to identify areas where data cleanup is needed and prioritize these efforts. Clean data ensures a more efficient transition and a more reliable system post-implementation.

4. Review enterprise wide technical landscape for implications

Understand the broader technical ecosystem within which the SAP system operates. Get started on reviewing hardware, software, and network infrastructures, as well as existing integrations with other systems. The technical landscape review helps to anticipate and mitigate any compatibility issues that may arise during the transition.

5. Don’t forget to include a comprehensive change management and communications strategy

Change can be challenging, and an ERP transition is no exception. A comprehensive change management strategy is essential to address the human aspect of the transition. Keep everyone informed and provide ample training to ensure that all users are comfortable and competent with the new system. Effective communication helps to manage expectations and reduce resistance to change.

“Ensure you're approaching this intelligently. Don't limit your planning to just an SAP project if you have critical integrations, like with a third-party logistics partner as an example. Understanding all of the business objectives fully before defining the project's scope is crucial. This comprehensive planning approach will enable more effective internal preparation and ultimately influence budget decisions.” 

- Landon Cortenbach - CFO & SAP Advisor @ MSH

What To Do If You're Already Behind Schedule

The original audience for this guide was planning ahead. In 2026, a significant share is not;  they're behind, and they know it. The options haven't disappeared, but they've narrowed. Here's how to think through your position.

Choose Your Path Based On Time Available, Not Preference

For organizations that haven't started a structured migration program yet, the window to execute a clean migration before December 2027 is narrowing fast. The realistic options come down to just three:

1. Brownfield (system conversion) is the most common accelerated path. You're converting your existing ECC landscape to S/4HANA (sometimes called an ECC upgrade path), which preserves historical data and configurations. It's faster than greenfield but requires careful custom code remediation, and for most late-starters, it's the default choice.
2. Greenfield (new implementation) builds a clean S/4HANA environment from scratch. It's the right long-term decision for heavily customized landscapes, but requires 18–36 months for large enterprises, which is a very tight window if you're starting today.
3. Extended maintenance as a bridge buys time, but at a cost. And it's only available for EPs 6–8. See the FAQ section below for full cost detail.

Extended Maintenance: What It Covers And What It Doesn't

If you're on EPs 6–8 and can’t complete a migration by 2027, extended maintenance (2028–2030) gives you a structured bridge. 

• What it covers: security patches and selected quality improvements. 
• What it doesn't: new functionality, legal change packages, or guaranteed kernel updates for new OS/database versions. 

You're paying 2% above your current maintenance rate on top of the standard 22% Enterprise Support fee, compounding annually. It's a useful runway, but not a solution.

The Talent Bottleneck Is Already Here

In 2026, shortages of experienced S/4HANA specialists are affecting most migration projects, with demand highest for data migration, finance, testing, and cutover roles. Consulting rates from major SAP implementation partners are expected to rise 30–50% in 2026–27. The organizations that started early locked in their delivery teams at lower rates; those entering the market now are competing for what's left.

Engage your partners now, even if your full scope isn't finalized. MSH can help you assess staffing gaps and build out your SAP implementation team quickly, including cloud migration-focused talent.

The Cost Of Waiting

A 2025 Horváth study of 200 SAP user companies found only 8% of organizations completed their S/4HANA migration on schedule, with projects averaging 30% over timeline. Add compressed timelines, premium consulting rates, and extended maintenance costs, and organizations that delay face materially higher total spend. The most expensive migration is the one done in a rush.

Alternative ERP Solutions

The path to digital transformation, particularly regarding ERP solutions, often leads to SAP S/4HANA. The reality of the situation is that, for many companies, alternatives to this robust platform might not measure up, especially when the goal is to harness the full power of a modern ERP system.

For most companies, the move to SAP S/4HANA is the right choice — or rather, the ONLY choice.

Given the sophistication of the platform and its alignment with various industry best practices, it's often the case that other ERP solutions fall short in comparison, especially for the scenarios described earlier. If you’re skeptical, you can look at it as a fork in the road:

1. Move to SAP S/4HANA

For the majority, transitioning to SAP S/4HANA is a strategic move that promises a competitive edge. It's a future-proof investment that brings agility, efficiency, and growth potential. Organizations that choose this path can leverage MSH's expertise to ensure that their journey is marked by success, with access to top-tier talent and strategic guidance every step of the way.

2. Pay SAP Maintenance Fees for Highly Customized Platforms

Some legacy businesses, especially in sectors like oil and gas, may opt to continue operating on their current, highly customized SAP platforms. This choice often comes with significant maintenance fees, but for certain large enterprises, it can be a temporary measure while they strategize on the best way to transition without disrupting critical operations.

SAP FAQS

What is SAP ECC 6.0?

SAP ECC 6.0 (Enterprise Central Component) is SAP's flagship on-premise ERP system, released in October 2005 as the successor to SAP R/3. It manages core business functions like finance, procurement, supply chain, and HR within a single integrated platform, and has been the ERP backbone for thousands of large organizations globally. It is now approaching the end of mainstream maintenance, with SAP S/4HANA as the designated replacement.

When was SAP ECC 6.0 released?

SAP ECC 6.0 debuted in October 2005 and became the most widely adopted version in SAP's ERP history. It has been in active use for nearly two decades, making the migration to S/4HANA one of the largest coordinated ERP transitions the industry has seen.

What is the end of life date for SAP ECC 6.0?

There are two key dates, depending on your enhancement pack. Mainstream maintenance ends December 31, 2026 for EPs 0–5, and December 31, 2027 for EPs 6–8. Organizations on EPs 6–8 can purchase optional extended maintenance through 2030 at a premium. After that, only customer-specific maintenance is available.

What is the difference between SAP ECC 6.0 and S4 HANA?

SAP ECC 6.0 runs on a traditional relational database and is designed for on-premise transactional processing. SAP S/4HANA is built on the in-memory HANA database, enabling real-time analytics, simplified data models, and a modern Fiori interface. Moving between them is a full transformation, not a technical upgrade. It requires planning around custom code, integrations, and process redesign.

How to migrate data from sap ecc to S4 HANA?

Start with an assessment of your current landscape – custom code, data quality, and integrations. From there, choose a migration path: Brownfield (system conversion), Greenfield (new build), or Hybrid. SAP's tools including the Readiness Check and Migration Cockpit support the actual data transfer, but working with an experienced SAP implementation partner from the assessment phase reduces the risk of costly mid-project corrections significantly.

What happens if I don't migrate from SAP ECC 6.0 by 2027?

Your ECC environment won't stop working, but support coverage changes materially. EPs 6–8 customers can purchase extended maintenance through 2030 at a 2% premium, covering security patches but no new functionality or legal change packages. Organizations that take no action automatically enter customer-specific maintenance at full cost with reduced scope, thus leaving security vulnerabilities unpatched and regulatory compliance increasingly difficult to maintain.

How much does SAP extended maintenance cost after 2027?

Extended maintenance (2028–2030, EPs 6–8 only) carries a 2% premium above the standard 22% Enterprise Support fee, therefore raising your effective rate to approximately 24% of license value annually, compounding with CPI-based increases. The SAP ECC support end date 2030 is when this window closes. After that, the SAP ECC support end date marks the beginning of fully negotiated customer-specific terms. The premium must be agreed in writing before your mainstream maintenance end date.

Can I migrate from SAP ECC to a non-SAP ERP system?

Yes, Oracle Fusion, Microsoft Dynamics, and Workday are all viable alternatives. In practice, for large enterprises with deeply integrated SAP landscapes, switching platforms often costs more than migrating to S/4HANA. Organizations with heavily embedded SAP industry solutions tend to stay in the ecosystem, but a non-SAP path is a legitimate choice for those with standardized footprints and a clear business case for switching.

What is RISE with SAP and how does it relate to the ECC transition?

RISE with SAP is SAP's bundled cloud migration offering with S/4HANA Cloud, infrastructure, tools, and transformation support in a single subscription. It simplifies the path from ECC to cloud ERP by reducing vendor complexity and providing a more predictable cost model. It's not turnkey because it still requires a partner to configure and optimize. But, it's worth evaluating for organizations moving to cloud-based SAP infrastructure who want a structured transition path.

What is SAP BPC, and is it also reaching end of life (SAP BPC EOL)?

SAP BPC (Business Planning and Consolidation) follows its own maintenance timeline, but if your BPC runs on top of SAP ECC or BW, the ECC deadlines affect it indirectly. The underlying platform loses support even if BPC itself has a separate schedule. Confirm your specific BPC version's support dates with SAP or your implementation partner, and factor the dependency chain into your broader SAP end of life planning.

Big Takeaway

The transition from SAP ECC 6.0 to SAP S/4HANA is a big moment for any organization, one that promises a blend of challenges and opportunities. 

The key to a successful migration lies in recognizing the unique position of your business - whether it's starting fresh, upgrading, or somewhere in between - and crafting a strategy that aligns with your long-term objectives.

As you weigh your options, consider the support that can make all the difference. 

Ready to explore the possibilities with SAP S/4HANA and make the transition a seamless success? 

Contact MSH today to navigate through the process and come out the other side with everything you need to continue adapting and innovating.