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# Return codes

Return code | Description
--- | ---
2`xx` | Successful operation
4`xx` | Client-side error with error message returned
5`xx` | Appliance error with error message returned

| NOTE: If an error occurs, indicated by a return code 4`xx` or 5`xx`, an `ErrorMessage` is returned. The expected resource model is not returned.

See also:

- REST API Response Codes

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