What happens to a request, and not to a file
The lifecycle page is precise about the interface and silent about material: after a retirement date all inference requests return 410 Gone. Nothing addresses output already generated, because on this platform output is returned to the caller rather than kept in a library. As of 2026-09-22.
| What the page is asked | What Microsoft Foundry publishes | What that leaves open |
|---|---|---|
| Is disposal of material addressed | Not addressed on the lifecycle page | Output is returned to the caller, not stored |
| What happens to a request | All inference requests return 410 Gone | A specific status rather than a vague failure |
| Is there a degraded mode first | None is described | The state changes on the date, not gradually |
| Can the date be deferred | Dates are stated to be non-extendable | So the cut-off is the date on the page |
Inclusion rule. Read from the platform's lifecycle and support policy page. Storage behaviour of other services on the same cloud is out of scope for this column. Order. The absence first, then what the page does describe.
1A status code is a useful kind of precision
Naming the exact response after a retirement is more than most pages manage. A caller can branch on it, alert on it, and tell it apart from a transient failure, which turns a retirement into a condition software can handle.
It also means the failure is unambiguous at the moment it happens. A production that watches for this status learns about the date from its own logs rather than from a page somebody forgot to re-read.
2Where a platform keeps nothing, the column is quiet for a reason
On this layer the customer's files live wherever the customer put them. There is no gallery and no project store, so a retirement has nothing to delete and the page has nothing to promise.
Recorded as not addressed rather than as silence, because the structure of the product is the explanation. A consumer application with a library inside it has the same question and a much heavier answer.
3The part that is still a risk
Losing the ability to regenerate is not the same as losing the files, and it is the loss this platform does impose. Anything that depended on being able to produce more material in the same look stops on the date.
That is why keeping the outputs rather than the ability to remake them is the advice that survives every arrangement in this column, including the ones with nothing to delete.
- What the endpoint does after the retirement dateAll inference requests return 410 Gone
- Whether a date can be pushed back on requestRetirement dates are not extendable
4Sources
Read from the model retirement schedule on learn.microsoft.com, 2026-09-22. The whole entry is on Microsoft Foundry, and the column it sits in is on Stored work. Same column, other entries: Amazon Bedrock, Gemini API.