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WS_E_ENDPOINT_UNREACHABLE
WS_E_ENDPOINT_UNREACHABLE is a Windows Web Services API HRESULT. It means that the client could not establish communication with the endpoint through the selected transport, route, proxy, firewall, or network path.
What to check
- Test DNS resolution, routing, port reachability, proxy configuration and firewall rules from the client host.
- Compare the failure with an independent client using the same network and identity context.
- Treat this as a connectivity problem until evidence shows that the service itself processed the request.
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