The AdditionalErrorData property contains additional error information. An example is ECC Syndrome, or the return of the ...

The AdditionalErrorData property contains additional error information. An example is ECC Syndrome, or the return of the check bits if a CRC-based ErrorMethodology is used. In the latter case, if a single bit error is recognized and the CRC algorithm is known, it is possible to determine the exact bit that failed. This type of data (ECC Syndrome, Check Bit, Parity Bit data, or other vendor-supplied information) is included in this field. This property is used only when the ErrorInfo property is not equal to 3.