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HNS_INVALID_JSON
HNS_INVALID_JSON is an HRESULT used by Windows Host Networking Service (HNS). It indicates that the HNS request is not valid JSON or cannot be parsed as the expected document.
What to check
- Validate the serialized JSON before submission and retain the exact request in diagnostic logs.
- Check quoting, commas, braces, escaping, and character encoding rather than only the object model.
- Compare the request with a minimal known-good HNS definition to isolate the malformed field.
Microsoft documentation on Windows container networking and HNS
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