SAP S/4HANA Hypercare: What to Do in the First 90 Days After Go-Live
Go-live is the start, not the finish. Here is how to run S/4HANA hypercare - the first 90 days - to stabilise the system, clear issues fast and hand over cleanly to ongoing support.
- Hypercare is the intensive support period right after an S/4HANA go-live - usually around the first 90 days - when issues are most frequent and the team's focus has to stay on the project, not scatter.
- The goal is to stabilise fast: daily monitoring and triage, a clear priority and escalation model, and quick fixes for the issues real users hit, especially around month-end.
- This guide covers how to structure the 90 days, what to watch, and how to hand over cleanly to ongoing AMS so the system does not fall into a support gap.
An S/4HANA go-live is a milestone, not the end of the project. The first weeks after cut-over are when users meet the new system for real, when the data and integrations get their first full load, and when the issues that testing missed surface. Hypercare is the intensive support period - commonly the first 90 days - that carries the business through this. Run it well and the system settles quickly; run it loosely and small problems compound into a shaken user base. This guide covers how to structure hypercare and hand over cleanly. For senior support, Acqurio Tech provides SAP development and consulting.
What Hypercare Is For
Hypercare exists to stabilise the system and the people using it. In the first weeks, issue volume is at its peak - real transaction volumes, real edge cases, users still learning the new screens. The team that built the system stays close and responsive, so problems are fixed in hours, not logged for later. The aim by the end is a system running steadily with a known, manageable backlog, ready to move to normal support.
Structuring the 90 Days
A simple three-phase shape keeps the effort matched to the need.
| Phase | Roughly | Focus |
|---|---|---|
| Stabilise | Weeks 1-2 | All hands, rapid fixes, hourly triage, the first daily cycles |
| Settle | Weeks 3-8 | Falling issue volume, the first month-end close, tuning |
| Transition | Weeks 9-12 | Knowledge transfer, documentation, handover to AMS |
What to Monitor
Watch the system and the business together.
- Batch jobs and interfaces - the overnight and integration flows that must complete.
- Transaction errors and failed postings by module (MM, SD, FICO, QM, EWM).
- Performance - slow transactions and reports that frustrate users.
- The first period-end close, which exercises finance end to end.
- User-reported issues, triaged by business impact, not just by who shouted loudest.
Triage and Escalation
Hypercare generates a flood of tickets, so a clear priority and escalation model is essential from day one. Classify by business impact (a blocked sales order outranks a cosmetic report issue), fix the high-impact ones immediately, and batch the minor ones. A visible daily standup on open issues keeps the business informed and stops the same problem being reported ten times. This is the same priority discipline that a good AMS SLA formalises later.
Planning an S/4HANA Hypercare?
Acqurio Tech provides senior SAP consultants for hypercare and ongoing AMS across MM, SD, FICO, QM and EWM, with time-zone overlap for US and UK users and controlled, GxP-aligned change where it applies.
Handing Over to Ongoing Support
The most common hypercare mistake is letting it end with a cliff instead of a bridge. Before the 90 days close, transfer knowledge to the ongoing support team, document the issues and fixes, and agree the AMS model and SLAs so there is no gap. If you are deciding how to run support after hypercare, our guide to SAP support models: AMS vs in-house compares the options, and the SAP migration checklist covers the run-up that sets hypercare up for success.
Conclusion
Hypercare is where an S/4HANA go-live is won or lost in the eyes of the business. Keep the team close for the first weeks, monitor the system and the first close hard, triage by business impact, and plan the handover to ongoing support so the system never falls into a gap. Do that and the new system settles into something people trust. When you want senior SAP support through hypercare and beyond, contact us.
Frequently asked questions
What is hypercare in an SAP S/4HANA project?
Hypercare is the intensive support period immediately after go-live, commonly the first 90 days, when the project team stays close to the system to fix issues fast. Issue volume peaks in this window as real transaction volumes and edge cases appear and users learn the new screens. The goal is to stabilise the system and the users quickly, ending with a steady system and a known, manageable backlog ready for normal support.
How long should S/4HANA hypercare last?
Around 90 days is common, structured in phases: an intensive stabilise phase in the first couple of weeks, a settle phase through the first month-end close, and a transition phase that hands over to ongoing support. The right length depends on the size of the rollout and how the first period-end goes, but it should always run at least through one full close cycle so finance is exercised end to end before handover.
What should you monitor during hypercare?
Watch batch jobs and interfaces, transaction errors and failed postings by module (MM, SD, FICO, QM, EWM), performance on slow transactions and reports, the first period-end close, and user-reported issues triaged by business impact. Monitoring the system and the business together is what lets you catch a compounding problem early rather than discovering it at month-end.
How do you handle the flood of tickets during hypercare?
With a clear priority and escalation model from day one: classify issues by business impact so a blocked sales order outranks a cosmetic report problem, fix high-impact ones immediately, and batch the minor ones. A daily standup on open issues keeps the business informed and stops the same problem being logged many times. This is the same priority discipline a good AMS SLA formalises for ongoing support.
How do you transition from hypercare to ongoing support?
Plan the handover before hypercare ends: transfer knowledge to the ongoing support team, document the issues and fixes, and agree the AMS model and SLAs so there is no gap between hypercare and normal support. The common mistake is ending hypercare with a cliff rather than a bridge, which leaves the business unsupported just as the project team disperses.