For advanced users needing the port to start connected (e.g., for debugging or specific hardware mapping), ensure these lines exist in your .vmx file: serial0.present = "TRUE" serial0.startConnected = "TRUE"
If you unchecked "Connect at power on" but still get the message: virtual device serial0 will start disconnected
environments and indicates that a virtual serial port cannot find its intended hardware or software backend during power-on For advanced users needing the port to start connected (e