ERROR_CONNECTION_INVALID 0x800704CD

Error code 1229 · HRESULT 0x800704CD

WINDOWS

An operation was attempted on a nonexistent network connection.

Windows troubleshooting diagram: Device Manager warning and a system file scan
Windows errors: check drivers, system files and Event Viewer, in that order.

What it means

ERROR_CONNECTION_INVALID is a Windows error code (system error 1229, returned as HRESULT 0x800704CD) reported by Windows. Its official message is: “An operation was attempted on a nonexistent network connection.”

How to fix ERROR_CONNECTION_INVALID

  1. Test connectivity to the remote host first (ping, then the exact port)
  2. Check firewall, VPN and proxy rules for the involved process
  3. Run 'ipconfig /flushdns' and 'netsh interface ip reset', then reboot

Related errors

ERROR_CONNECTION_ACTIVEERROR_CONNECTION_REFUSEDERROR_CONNECTION_ABORTEDERROR_CONNECTION_COUNT_LIMITERROR_NETWORK_UNREACHABLEERROR_CANCELLEDERROR_ADDRESS_NOT_ASSOCIATED

Source: Microsoft WinError.h

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