Zero-XAtlas
0x000020CA

ERROR_DS_EXISTS_IN_SUB_CLS

Schema deletion failed: class is used as sub class.

win32decimal 8394

Matched as: the code as given (hex)

Log a case with no specific solution
(Enterprise subscription only)

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