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End of Life (EOL)
When a manufacturer announces "End of Life" for a device, planning begins for IT departments: How long may the model keep running, what happens to the inventory and when is selling worthwhile? This entry explains what End of Life means, which phases belong to it and what companies can derive from it.
In brief
End of Life (EOL) denotes the end of the product life cycle, at which a manufacturer no longer makes or sells a product and finally no longer supports it. After that there are no more spare parts, firmware or security updates. For companies, EOL is a signal to retire devices in a planned way while they still have a residual value and can be erased securely.
What does End of Life mean?
The term is used in two meanings. From the manufacturer's point of view it describes the end of the product's life: the model is discontinued and, after a transition period, no longer supported. From the company's point of view, End of Life often simply means the end of its own use, i.e. the moment of retirement. The two are related but not the same. A device can be retired in the company even though the manufacturer still supports it, and vice versa.
The phases up to End of Life
Manufacturers name the phases differently. This sequence is common:
| Phase | Significance | Consequence for companies |
|---|---|---|
| Discontinuation announcement (EOL announcement) | The manufacturer announces that the model is being phased out | Time to plan replacement and recovery |
| End of Sale | The model can no longer be ordered | Follow-up purchases for uniform fleets are no longer possible |
| End of Support | No more firmware, driver or security updates, warranty and maintenance expire | Security risk in operation, spare parts become scarce |
| End of Service Life | The manufacturer ends all support | Operation only at your own risk |
The same applies to software. A well-known example is the end of support for Windows 10 in October 2025: Many computers that do not support Windows 11 had to be replaced or kept running with extended security updates. What this means for the sale of used devices is explained in our guide Selling used PCs after the end of Windows 10.
Why EOL devices are a risk
Without security updates, known vulnerabilities remain open. This is hardly compatible with the obligation to protect data according to the state of the art. In addition: the longer a device remains in use or in storage after End of Life, the further its Residual valuefalls. Spare parts become more expensive, demand on the used market declines.
Merksatz: Das EOL-Datum des Herstellers ist kein Abschaltdatum, aber ein Planungsdatum – für Ersatz, Datenlöschung und Verwertung.
How companies plan for End of Life
- Record EOL dates in the inventory: Store the known end-of-support dates for each model.
- Plan replacement: Define a Refresh cycle that takes end-of-support dates and depreciation into account.
- Decide on recovery early: Sell devices with market value before demand falls; dispose of the rest properly.
- Delete data that can be traced: Every device needs an erasure certificate before it is passed on.
What a well-thought-out hardware lifecycle looks like in practice is shown in the article Hardware lifecycle rethought. Whether manufacturers deliberately design devices for a short lifespan is discussed in the entry planned obsolescence.
End of Life and Second IT
Second IT unterstützt beim Übergang vom End of Life zur Verwertung: mit Bestandsanalyse und Marktbewertung, Abholung durch eigene Sicherheitslogistik und zertifizierter Löschung mit Blancco. Geräte mit Marktwert werden angekauft, aufbereitet und wiedervermarktet, der Rest wird als Entsorgungsfachbetrieb fachgerecht verwertet. Mehr zur Consulting on the IT lifecycle.
Frequently asked questions about End of Life
What is the difference between End of Life and End of Support?
End of Support denotes the end of updates and maintenance. End of Life is often used as an umbrella term for the entire phasing out of a product, which begins with the discontinuation announcement and ends with the end of all support. Each manufacturer sets the exact definitions itself.
May I keep using EOL devices?
Legally this is not prohibited. But if security updates are missing, you must assess the risk and, where appropriate, compensate for it, for example through network isolation. For devices with personal data, this is often hard to justify under the GDPR.
Do EOL devices still have a residual value?
Often yes, because the end of manufacturer support does not mean that the device no longer works. The value depends on model, condition and demand and falls over time. An early offer is therefore worthwhile.
What phases are there up to End of Life?
This sequence is common: discontinuation announcement, End of Sale, End of Support and End of Service Life. First the model is phased out, then sales end, after that there are no more updates and finally all support ends. Each manufacturer sets the designations itself.
How do I plan the End of Life of my IT devices?
Record the end-of-support dates per model in the inventory and define a refresh cycle. Decide early on recovery while devices still have market value. Before any transfer you need an erasure certificate per device.
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