What does Windows error code 8424 (ERROR_DS_CANT_REPLACE_HIDDEN_REC) mean?

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The requested operation cannot replace a hidden directory record.

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ERROR_DS_SECURITY_ILLEGAL_MODIFY	ERROR_DS_BAD_HIERARCHY_FILE

ERROR_DS_CANT_REPLACE_HIDDEN_REC

ERROR_DS_CANT_REPLACE_HIDDEN_REC (8424) is an Active Directory Domain Services error. The operation attempted to replace a hidden or protected internal directory record. Such records participate in directory implementation and topology and are not ordinary application objects.

What to check

Identify the administrative tool or application that issued the request.
Check the Directory Service log for the object class and preceding error that led to the replacement attempt.
Do not expose, recreate, or overwrite internal records through low-level directory edits.

Useful command

dcdiag /v /c

Microsoft: DCDiag · Microsoft: Directory Service system error codes · Microsoft: Impact of schema changes

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