ERROR_PROMOTION_ACTIVE 0x8007201D

Error code 8221 · HRESULT 0x8007201D

WINDOWS

A domain controller promotion is currently active.

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_PROMOTION_ACTIVE is a Windows error code (system error 8221, returned as HRESULT 0x8007201D) reported by Windows. Its official message is: “A domain controller promotion is currently active.”

How to fix ERROR_PROMOTION_ACTIVE

  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_POLICY_ONLY_IN_DSERROR_NO_PROMOTION_ACTIVEERROR_POLICY_OBJECT_NOT_FOUND0xC19002000xC1900223STATUS_ACCESS_VIOLATIONSTATUS_IN_PAGE_ERRORSTATUS_ACCESS_DENIED

Source: Microsoft WinError.h

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