What does HRESULT 0xC03B001E (HNS_INVALID_IP) mean?

 
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HNS_INVALID_IP

HNS_INVALID_IP is an HRESULT used by Windows Host Networking Service (HNS). It indicates that the endpoint IP address is malformed or does not belong to a subnet configured for the network.

What to check

  • Validate the address family, address text, prefix length, and gateway against the selected network.
  • Confirm that the address is within a configured IP pool and is not already allocated.
  • Do not assign an address from a NAT, overlay, or external network to an unrelated endpoint.

Microsoft documentation on Windows container networking and HNS


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