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0x0000217B

ERROR_DS_NAME_NOT_UNIQUE

The requested name already exists as a unique identifier.

win32decimal 8571

Matched as: the code as given (hex)

Log a case with no specific solution
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Source: System Error Codes (8200-8999) - Win32 apps · CC BY 4.0 · wording unchanged, formatting adapted for this site · retrieved 2026-10-09