What does HRESULT 0x800C000B (INET_E_CONNECTION_TIMEOUT) mean?

 
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INET_E_CONNECTION_TIMEOUT

INET_E_CONNECTION_TIMEOUT is a URL Moniker HRESULT. It means that the URL Moniker operation exceeded the allowed connection or response time. The server can be slow or unavailable, the route can be impaired, or the timeout can be too short for the expected operation.

What to check

  • Measure DNS, connect, TLS and response timing to identify the stage that consumed the timeout.
  • Check server health, proxy latency and packet loss from the affected network.
  • Use a bounded timeout appropriate to the operation and retry with backoff only when safe.

Microsoft documentation


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