What does HRESULT 0xC03B0009 (HNS_VFP_PORTSETTING_NOT_FOUND) mean?

Status / error code:

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Description:

Host Networking Service could not find a required VFP port setting.

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HNS_POLICY_NOT_FOUND	HNS_INVALID_NETWORK

HNS_VFP_PORTSETTING_NOT_FOUND

HNS_VFP_PORTSETTING_NOT_FOUND is an HRESULT used by Windows Host Networking Service (HNS). It indicates that the Virtual Filtering Platform setting expected on the target switch port is absent.

What to check

Confirm that the endpoint and its vSwitch port still exist before requesting the setting.
Compare the desired policy with the current VFP configuration rather than assuming it was retained.
Reapply the setting through the supported HNS or HCN workflow when the port is recreated.

Microsoft documentation on Windows container networking and HNS

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