ERROR_DS_OID_MAPPED_GROUP_CANT_HAVE_MEMBERS 0x800721BD

Error code 8637 · HRESULT 0x800721BD

WINDOWS

OID mapped groups cannot have members.

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_OID_MAPPED_GROUP_CANT_HAVE_MEMBERS is a Windows error code (system error 8637, returned as HRESULT 0x800721BD) reported by Windows. Its official message is: “OID mapped groups cannot have members.”

How to fix ERROR_DS_OID_MAPPED_GROUP_CANT_HAVE_MEMBERS

  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_OID_NOT_FOUNDERROR_DS_DRA_RECYCLED_TARGETERROR_DS_FLAT_NAME_EXISTS_IN_FORESTERROR_DS_DISALLOWED_NC_REDIRECTERROR_INVALID_USER_PRINCIPAL_NAMEERROR_DS_DOMAIN_NAME_EXISTS_IN_FORESTERROR_DS_DRA_MISSING_KRBTGT_SECRET

Source: Microsoft WinError.h

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