SAP Extended Maintenance: Turn the 2027 Deadline Into Leverage

The 2027 Deadline: How SAP Is Using It as a Migration Weapon

SAP announced in 2020 that mainstream maintenance for SAP ECC (ERP Central Component) would end in 2027. For many enterprise SAP customers, this has been treated as a hard migration deadline — a forcing function to complete S/4HANA transformations on SAP's preferred timeline. What SAP's account teams rarely foreground is that "end of mainstream maintenance" is not end of life. It is the end of standard maintenance at standard pricing — after which SAP offers several extended maintenance options, some at premium cost, some surprisingly negotiable.

Understanding your post-2027 options is not just about buying time. It is about using the deadline itself as leverage in S/4HANA migration negotiations — precisely because SAP's account team knows you know about the deadline and assumes your organisation is in a reactive posture. Enterprises that understand the full menu of post-2027 options negotiate S/4HANA deals from a fundamentally stronger position. Our SAP advisory team has helped enterprises use extended maintenance intelligence to reduce S/4HANA deal premiums by 20–35% by demonstrating credible non-urgency on SAP's timeline. You can also explore the broader context on our SAP Knowledge Hub.

Customer-Specific Maintenance (CSM): SAP's Premium Extension Option

Customer-Specific Maintenance is SAP's own extended maintenance offering — available beyond 2027 for ECC customers who have not yet completed their S/4HANA migration. CSM pricing is typically 2–4% of the net licence value per year, on top of existing maintenance fees, bringing total SAP maintenance cost to approximately 24–26% of net licence value annually. For a large enterprise with a significant ECC licence investment, this is material — potentially €2–5M per year in additional maintenance cost.

However, CSM is negotiable. SAP has a strong commercial incentive to keep customers paying maintenance (even at inflated rates) rather than allowing them to move to third-party support and exit the maintenance revenue stream entirely. Enterprises that approach CSM negotiations with a credible third-party support alternative in hand — and demonstrate that migration to S/4HANA is not imminent — consistently achieve CSM pricing at 1–1.5% above standard maintenance rather than the 2–4% list premium. Critically, the CSM conversation is also the right moment to negotiate a contractual credit mechanism: any CSM fees paid should reduce the S/4HANA subscription cost when migration eventually occurs, to avoid double-paying for the same ERP period.

Third-Party Maintenance: The Leverage Tool SAP Fears

Third-party maintenance providers — Rimini Street and Spinnaker Support are the primary options — offer ECC support at typically 50% of SAP's standard maintenance fee, with no requirement to migrate to S/4HANA. For enterprises with stable ECC environments, mature customisations, and no immediate business driver for S/4HANA transformation, third-party support is a legitimate commercial alternative that eliminates the urgency SAP has manufactured around the 2027 deadline.

The strategic value of third-party support in 2025–2027 negotiations is not just cost saving — it is leverage. SAP's account team will work hard to retain an enterprise customer facing a third-party support decision, offering maintenance discounts, extended CSM terms, and S/4HANA migration incentives that are simply not available to organisations that have not credibly evaluated the alternative. Our guide on switching to third-party SAP support provides detailed guidance on the operational and contractual considerations — and our guide on rejoining SAP support after third-party confirms that the door back is open if you later decide to migrate.

Using the 2027 Deadline as S/4HANA Negotiation Leverage

The most sophisticated approach to the 2027 deadline is to use it as active leverage in your S/4HANA commercial negotiation rather than allowing SAP to use it as pressure. The mechanics are straightforward: if your organisation can credibly demonstrate a post-2027 operating plan that does not require S/4HANA (via CSM plus third-party support plus a phased migration), SAP's urgency to close a migration deal shifts dramatically.

In practice, the most powerful negotiating position is a documented three-year plan showing: Year one — third-party support for ECC, freeing maintenance budget; Year two — S/4HANA pilot for one business unit, using the cost savings to fund implementation; Year three — full migration decision point with contractual S/4HANA pricing that reflects accumulated leverage. SAP has closed deals with enterprises who presented this plan at 30–40% below initial S/4HANA pricing — because the alternative from SAP's perspective was watching a large customer leave the maintenance revenue stream with no migration commitment. For enterprises also evaluating SAP Joule AI and BTP investments, the extended maintenance decision is the right anchor point for the entire SAP commercial relationship reset. Book a confidential call to model your specific options before SAP's account team comes to you with a 2027 urgency narrative.

What Happens After 2027: SAP's Restricted Maintenance Tier

For customers who neither engage CSM nor move to third-party support, SAP will offer a "restricted maintenance" tier post-2027 — covering only legal and regulatory updates, with no functional enhancements, no new features, and significantly reduced support SLA. This is not a commercially viable long-term position for most enterprises, but it can be useful as a 6–12 month bridge during migration execution if the S/4HANA go-live is delayed.

The practical implication is that enterprises have more runway than SAP's account teams suggest. The 2027 date is real, but the cliff is more of a slope — organisations can manage down the maintenance tier progressively rather than facing a hard shutdown. What matters is having a documented, defensible plan that demonstrates you understand all the options and are not being forced into an S/4HANA deal on SAP's timeline rather than your own. Our SAP Knowledge Hub contains detailed guides on every aspect of the S/4HANA migration commercial decision — and our advisory team can review your specific contract position and maintenance investment to model the optimal path forward.