ERROR_DS_CANT_ADD_TO_GC 0x80072166

Error code 8550 · HRESULT 0x80072166

WINDOWS

The attribute is not allowed to be replicated to the GC because of security reasons.

Windows troubleshooting diagram: Device Manager warning and a system file scan
Windows errors: check drivers, system files and Event Viewer, in that order.

What it means

ERROR_DS_CANT_ADD_TO_GC is a Windows error code (system error 8550, returned as HRESULT 0x80072166) reported by Windows. Its official message is: “The attribute is not allowed to be replicated to the GC because of security reasons.”

How to fix ERROR_DS_CANT_ADD_TO_GC

  1. Reboot once — many one-off system codes disappear with a clean restart
  2. Repair system files: 'sfc /scannow' then 'DISM /Online /Cleanup-Image /RestoreHealth'
  3. Find the source in Event Viewer → System: filter for this exact code and open its provider link

Related errors

ERROR_DS_CANT_ADD_SYSTEM_ONLYERROR_DS_CANT_ADD_ATT_VALUESERROR_DS_CANT_CREATE_IN_NONDOMAIN_NCERROR_DS_CANT_TREE_DELETE_CRITICAL_OBJERROR_DS_NO_FPO_IN_UNIVERSAL_GROUPSERROR_DS_NO_CHECKPOINT_WITH_PDCERROR_DS_LOCAL_MEMBER_OF_LOCAL_ONLY

Source: Microsoft WinError.h

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