416Range Not Satisfiable

You asked for a byte range that does not exist in the file.

When you see it

Usually a resumed download where the file changed size since the first attempt, so the offset the client resumes from is now past the end. Starting the download again from scratch is the fix.

A well-behaved 416 includes a Content-Range header stating the true size of the file, which lets a client correct itself and retry with a range that exists rather than failing outright.

Often confused with

206 Partial Content

206 is the success case for the same mechanism: the range was valid and those bytes were returned. 416 means the range asked for does not exist.

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Status codes

69 of 69 codes. Click a row to copy it.

1xx Informational (4)

2xx Success (10)

3xx Redirection (8)

4xx Client errors (31)

5xx Server errors (16)