SAP ECC End of Maintenance 2027: Your Plan for the Next 14 Months

The SAP ECC end of maintenance 2027 deadline is not a shutdown. On December 31, 2027, nothing switches off. What ends is SAP’s mainstream maintenance, and with it the legal updates and fixes that finance, payroll and supply chain teams take for granted. So the real question is not “migrate or not.” It is which bridge you stand on while you get there.

I have planned campaigns for SAP-focused enterprise solutions across North America, Europe and APAC, so I have seen this decision from the partner side. The pattern is the same in every region. The deadline creates urgency, but projects stall because nobody owns the call. This guide explains the deadline in plain English, the three paths that are left, and a 14-month plan with an owner for each decision.

What does SAP ECC end of maintenance 2027 actually mean?

SAP ECC end of maintenance 2027 means SAP ends mainstream maintenance for SAP ERP 6.0 (ECC) on enhancement packages 6, 7 and 8 on December 31, 2027. Your system keeps running and your licenses stay valid. What changes is what SAP delivers: from 2028 you either pay for extended maintenance or move to customer-specific maintenance, which gives you far less.

SAP set this date in its February 2020 maintenance announcement. Systems on older enhancement packages (0 to 5) already left mainstream maintenance at the end of 2025, according to SAP’s own timeline for ERP 6.0. Do not plan around another delay. In January 2025, CEO Christian Klein said the 2027 date “will not be changed,” as The Register reported.

If you do nothing, you land in customer-specific maintenance. SAPinsider’s October 2026 breakdown lists what that means:

• No new support packages or legal-change updates. Tax, payroll and e-invoicing rule changes become your job.
• Paid problem solving. Fixes for issues not already known to SAP are charged.
• No security commitment. SAP’s commitment to fix new high-severity vulnerabilities covers mainstream and extended maintenance, not this stage.

That third point is the one to bring to your CISO. The first is the one to bring to tax. In Germany, for example, mandatory B2B e-invoicing extends to all businesses in January 2028, one month after mainstream maintenance ends.

The timeline

What happens to SAP ECC support, year by year

1. 01End of 2027Mainstream maintenance ends for ECC 6.0 on EHP 6 to 8.
2. 022028 to 2030Optional extended maintenance at two extra points.
3. 032031 to 2033RISE transition option, large landscapes only.
4. 04Until 2040SAP's maintenance commitment for S/4HANA.

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How many companies are still running ECC?

Most of the market is still mid-move. Gartner figures reported by The Register in March 2025 showed about 61% of roughly 35,000 ECC customers had not yet licensed S/4HANA at the end of 2024. SAPinsider’s 2026 benchmark of 296 SAP users found 55% have deployed some version of S/4HANA, but only 34% have fully switched daily operations to it.

Here is why that matters for your plan. The same SAPinsider analysis puts a typical S/4HANA migration at 15 to 20 months. Start one this month and go-live lands between February and July 2028, after mainstream maintenance ends. Every company still deciding will compete for the same partners, architects and testers in 2027. If you have not started, you will almost certainly need a bridge. Pick it on purpose.

Where SAP users are

Most have started S/4HANA. Few have finished.

• Deployed some version of S/4HANA55%
• Plan to switch by end of 202635%
• Fully running daily operations on it34%

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What are your real options after 2027?

You have three real paths and one default. Pay for extended maintenance to 2030 and keep ECC for now. Convert to S/4HANA under a license you own. Or move with RISE with SAP, a subscription that bundles the software, hosting and services. The default, customer-specific maintenance, is what happens when no one decides.

Path 1: Extended maintenance to 2030

Extended maintenance keeps ECC covered from 2028 through the end of 2030 at “a premium of two percentage points” on your existing maintenance basis, per SAP. Scope is similar to mainstream maintenance, but SAP adds no new features. It covers core Business Suite 7 applications only, so check every add-on you rely on.

Path 2: Convert to S/4HANA

A conversion moves you to S/4HANA on-premise or in a hosted private setup you control. SAP has committed to maintain S/4HANA until the end of 2040. You keep license ownership and more control over timing, but you carry the infrastructure and the upgrade cycle yourself.

Path 3: RISE with SAP

RISE with SAP is SAP’s bundled subscription: cloud ERP, hosting on SAP or a hyperscaler such as AWS or Google, and transition services under a single contract. TechTarget describes it as ERP as a service. It suits teams that want one accountable vendor and predictable spend, and it is the only route to the 2031–2033 transition option covered below.

One more lever exists. Under SAP support commitments effective July 10, 2026, customers can choose a different SAP support model or a different provider for each installation, and SAP waived its reinstatement fee, per SAPinsider. That makes third-party support a real option for some systems. Weigh it against the loss of SAP legal updates before you sign.

Your options

The three paths after 2027, side by side

Bridge

Extended maintenance

2030covered to end of year

Cost signal+2 points on maintenance

Best forTeams that need a bridge

Long term

Convert to S/4HANA

2040SAP commitment

Cost signalProject plus own infrastructure

Best forTeams wanting license control

Managed

RISE with SAP

Termwhile you subscribe

Cost signalOne bundled subscription

Best forTeams wanting one contract

Default

Do nothing (default)

Limitedsupport only

Cost signalPaid fixes, no legal updates

Best forNo one

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Is SAP extended maintenance to 2030 worth the premium?

For most companies that have not started migrating, yes. Extended maintenance is the cheapest way to buy time. Two extra points on a 22% Enterprise Support rate is roughly a 9% higher maintenance bill, as UpperEdge calculates. Compare that with rushing a 15 to 20 month project into 14 months, or running payroll and tax without legal updates.

The catch is scope and intent. UpperEdge reads the offer as built for customers in a longer conversion to S/4HANA, and non-core applications may fall to customer-specific maintenance. Treat extended maintenance as a bridge with a fixed far end, not as a new home. Set your go-live date first, then buy only the bridge you need to reach it.

What is the 2033 RISE transition option, and who gets it?

The SAP ERP, private edition, transition option is a time-bound subscription that keeps ECC supported from 2031 to 2033 for very large, complex landscapes moving through RISE with SAP. It is not an extension of the 2027 or 2030 dates. Klein said it is meant for “very few large customers.”

The prerequisites in SAP’s own update rule out most companies:

• Move to SAP ERP, private edition on SAP HANA before December 31, 2030.
• A minimum system size of 2 TB.
• The max success plan, charged on top of the price.
• A 20% uplift when switching in 2031 for customers who signed in 2026. Pricing for 2027 sign-ups is not yet disclosed.

SAP updated that page on October 13, 2026 to say subscriptions may run to December 31, 2035 with further prerequisites. If you are a large global SAP shop, ask your account team about it in writing. If you are mid-market, plan as if it does not exist.

The 14-month plan: Inventory, Decide, Contract, Execute

This is the plan I would hand a leadership team today, November 2026. It works for any of the three paths because it forces the go-live date first and the bridge second.

1. Inventory (November to December 2026). Confirm your enhancement package level, list custom code and add-ons, check database and OS support dates, and pull every SAP contract renewal date. Name one executive owner for the program.
2. Decide (January to February 2027). Set a realistic go-live date with a partner estimate. Choose the path: extended maintenance plus conversion, RISE with SAP, or a staged mix. Get the business case signed by finance.
3. Contract (March to June 2027). Sign the bridge (extended maintenance or another support model), lock partner capacity, and agree data, testing and cutover resourcing. Partner calendars tighten as 2027 goes on.
4. Execute (July to December 2027). Start build, clean master data, and close compliance gaps that customer-specific maintenance would expose, such as e-invoicing and payroll changes. Review progress monthly against the go-live date, not the deadline.

Who in the buying group owns each decision?

An ECC decision is a buying group decision, not an IT ticket. In my experience on the marketing side of SAP-focused solutions, deals moved when each role got the proof it needed and stalled when one role was left out. Use this map to assign owners inside your company. If you sell into SAP customers, use it to plan your messages.

For marketers at SAP partners, this is the opening. Most competitor content sells the migration. Few pieces help the CFO compare bridges or help tax see what stops. I covered how to map and reach a full buying group in my guide to building an account-based marketing program; the same method applies here, with five roles instead of one champion.

What should you do this week?

• Find your enhancement package level. If it is below 6, mainstream maintenance already ended in 2025.
• Write down your go-live date. If no one can give one, that is your first decision.
• Book a 30-minute owners meeting. CIO, CFO, procurement and tax in one room, with the table above on screen.

Fourteen months is enough time to make a calm, well-priced decision. It is not enough time to make it next spring. For more plain-English breakdowns of SAP changes and B2B growth, join my newsletter or see my work and background.

Written by

Gokul Dhamodaran

I turn what is happening at the AI frontier into what it means for enterprise systems, and I build AI products myself (Euliv Analytics, Vantage). I write Leading Indicator every Friday: the AI and enterprise tech moves that matter, and what they mean for you.

Views are my own and do not represent any employer or client. Graphics are original; sources are linked.

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