What does HRESULT 0xC03B001D (HNS_ENDPOINT_SHARING_DISABLED) mean?

 
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HNS_ENDPOINT_SHARING_DISABLED

HNS_ENDPOINT_SHARING_DISABLED is an HRESULT used by Windows Host Networking Service (HNS). It indicates that the requested operation requires endpoint sharing but the relevant configuration does not allow it.

What to check for HNS_ENDPOINT_SHARING_DISABLED

  • Verify whether endpoint sharing is supported and enabled for the selected HNS network mode.
  • Check host policy and container-runtime settings that may restrict shared endpoints.
  • Use separate endpoints when sharing is not permitted by the platform configuration.

Microsoft documentation on Windows container networking and HNS

Diagnostic discriminator: Check whether the selected HNS network mode and host policy permit endpoint sharing. A disabled sharing capability is a configuration constraint, not a transient endpoint-creation or connectivity failure.


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