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0x000020CF

ERROR_DS_ATT_SCHEMA_REQ_ID

Cannot read the governs class identifier for the schema record.

win32decimal 8399

Matched as: the code as given (hex)

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Source: System Error Codes (8200-8999) - Win32 apps · CC-BY-4.0 (MicrosoftDocs/sdk-api, repo license verified 2026-10-09) · retrieved 2026-10-09