ERROR_CLUSTER_FAULT_DOMAIN_FAILED_S2D_VALIDATION 0x8007176C

Error code 5996 · HRESULT 0x8007176C

WINDOWS

Storage Spaces Direct has rejected the proposed fault domain changes because it impacts the fault tolerance of the storage.

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_CLUSTER_FAULT_DOMAIN_FAILED_S2D_VALIDATION is a Windows error code (system error 5996, returned as HRESULT 0x8007176C) reported by Windows. Its official message is: “Storage Spaces Direct has rejected the proposed fault domain changes because it impacts the fault tolerance of the storage.”

How to fix ERROR_CLUSTER_FAULT_DOMAIN_FAILED_S2D_VALIDATION

  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_CLUSTER_FAULT_DOMAIN_INVALID_HIERARCHYERROR_CLUSTER_FAULT_DOMAIN_S2D_CONNECTIVITY_LOSSERROR_CLUSTER_FAULT_DOMAIN_PARENT_NOT_FOUNDERROR_CLUSTER_INVALID_INFRASTRUCTURE_FILESERVER_NAMEERROR_GROUPSET_CANT_PROVIDEERROR_CLUSTERSET_MANAGEMENT_CLUSTER_UNREACHABLEERROR_GROUPSET_NOT_FOUND

Source: Microsoft WinError.h

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