AWS IoT errors

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This section lists the error codes sent by AWS IoT.

Message broker error codes

Error code	Error description
400	Bad request.
401	Unauthorized.
403	Forbidden.
426	Upgrade required.
503	Service unavailable.

Identity and security error codes

Error code	Error description
401	Unauthorized.

Device shadow error codes

Error code	Error description
400	Bad request.
401	Unauthorized.
403	Forbidden.
404	Not found.
409	Conflict.
413	Request too large.
422	Failed to process request.
429	Too many requests.
500	Internal error.
503	Service unavailable.