HNS_POLICY_ALREADY_EXISTS 0xC03B0012

Hex 0xC03B0012 · Decimal -1069875182 · Type NTSTATUS

WINDOWS

Policy information already exists on this object.

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

HNS_POLICY_ALREADY_EXISTS is a Windows error code (NTSTATUS 0xC03B0012) reported by Windows. Its official message is: “Policy information already exists on this object.”

How to fix HNS_POLICY_ALREADY_EXISTS

  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

HNS_POLICY_NOT_FOUNDHNS_LAYER_ALREADY_EXISTSHNS_PORT_ALREADY_EXISTSHNS_NETWORK_ALREADY_EXISTSWININET_E_SECURITY_CHANNEL_ERRORWININET_E_DECODING_FAILEDCBS_E_SOURCE_MISSINGCBS_E_INSTALLERS_FAILED

Source: Microsoft WinError.h

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