AWS IoT
Developer Guide

Troubleshooting AWS IoT

The following information might help you troubleshoot common issues in AWS IoT.

AWS IoT Errors

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.
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.

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