What does HRESULT 0xC03B0003 (HNS_LAYER_NOT_FOUND) mean?

 
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HNS_ENDPOINT_NOT_FOUND HNS_SWITCH_NOT_FOUND

HNS_LAYER_NOT_FOUND

HNS_LAYER_NOT_FOUND is an HRESULT used by Windows Host Networking Service (HNS). It indicates that HNS could not resolve the layer required by the target virtual network.

What to check for HNS_LAYER_NOT_FOUND

  • Verify the selected network driver and the host components required by that driver.
  • Inspect the network definition for stale layer references after upgrades, resets, or configuration changes.
  • Recreate only the affected network after preserving the configuration needed to reproduce the issue.

Microsoft documentation on Windows container networking and HNS


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