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HTTP Status Codes

HTTP 416 Range Not Satisfiable

416 Range Not Satisfiable

The requested byte range cannot be served for the target resource.

416 Range Not Satisfiablegeneral

Observed message

416 Range Not Satisfiable

Why it happens

  • The request could not be fulfilled because of client-side syntax, state, authorization, or precondition issues.
  • Headers, payload shape, request metadata, or client expectations do not match what the server requires.
  • An application, proxy, or security layer rejected the request before normal processing could complete.

How to fix it

  1. Inspect the exact request URL, headers, body, and protocol details being sent.
  2. Review server expectations for authentication, validation, conditional headers, or resource state.
  3. Check proxies, API gateways, and middleware that might reject the request before it reaches the application.

Official reference

IANA: HTTP Status Code Registry

Related errors

100 ContinueHTTP 100 Continue101 Switching ProtocolsHTTP 101 Switching Protocols102 ProcessingHTTP 102 Processing103 Early HintsHTTP 103 Early Hints

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416 Range Not Satisfiable: what it means and how to fix it | Error Atlas