What does HRESULT 0x801901A0 (HTTP_E_STATUS_RANGE_NOT_SATISFIABLE) mean?

Status / error code:

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Constant name:

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Description:

The server returned HTTP 416 Range Not Satisfiable for the requested byte range.

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HTTP_E_STATUS_UNSUPPORTED_MEDIA	HTTP_E_STATUS_EXPECTATION_FAILED

HTTP_E_STATUS_RANGE_NOT_SATISFIABLE

HTTP_E_STATUS_RANGE_NOT_SATISFIABLE maps to HTTP 416 Range Not Satisfiable. None of the ranges in the request Range header overlap the current selected representation, or the set of ranges was rejected as invalid.

What to check

Verify the current object length and the requested start/end offsets.
Inspect the response Content-Range header, which can identify the current length using the unsatisfied-range form.
When resuming downloads, validate the entity tag or modification state so that an old offset is not applied to a changed object.

RFC 9110: 416 Range Not Satisfiable

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