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0x00002176

ERROR_DS_DOMAIN_VERSION_TOO_LOW

The version of the operating system installed on this server no longer supports the current domain functional level. You must raise the domain functional level before this server can become a domain controller in this domain.

win32decimal 8566

Matched as: the code as given (hex)

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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