1.8 Vendor-Extensible Fields

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This protocol uses Win32 error codes as defined in [MS-ERREF] section 2.2. Vendors SHOULD reuse those values with their indicated meaning. Choosing any other value risks a collision in the future.

This protocol uses NTSTATUS values as defined in [MS-ERREF] section 2.3. Vendors can choose their own values for this field, as long as the C bit (0x20000000) is set, indicating that it is a customer code.