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1.8 Vendor-Extensible Fields

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This protocol uses HRESULTs that are vendor extensible. Vendors are free to choose their own values for this field as long as the C bit (0x20000000) is set as specified in [MS-ERREF] section 2.1, indicating that the value is a customer code.

This protocol also uses NTSTATUS values taken from the NTSTATUS number space specified in [MS-ERREF]. Vendors SHOULD<3> reuse those values with their indicated meaning. Choosing any other value runs the risk of a collision in the future.