| Name | Description |
|---|---|
| DeviceAuthFailedException | This exception is thrown when a client attempts to connect and IoT Hub refuses the connection due to incorrect credentials. |
| InvalidConfigurationException | This exception is thrown when the service is configured incorrectly. In order to recover, the service owner should fix the configuration and re-deploy the service. |
| InvalidIotHubConnectionStringFormatException | This exception is thrown when the IoTHub connection string provided is not properly formatted. The correct format is: HostName=[hubname];SharedAccessKeyName=[iothubowner or service];SharedAccessKey=[null or valid key] |
| PropertySendException | This exception is thrown when unable to send device twin reported properties |
| ResourceIsLockedByAnotherOwnerException | |
| TelemetrySendException | This exception is thrown when a device failed sending messages to IoTHub. |
| TotalDeviceCountQuotaExceededException |