![ESP32 & could not open port 'COM5': PermissionError(13, 'Access is denied.', None, 5) - espressif32 - PlatformIO Community ESP32 & could not open port 'COM5': PermissionError(13, 'Access is denied.', None, 5) - espressif32 - PlatformIO Community](https://community.platformio.org/uploads/default/original/2X/5/5274b3594ce67a69c4e18e17542bb48628341be8.png)
ESP32 & could not open port 'COM5': PermissionError(13, 'Access is denied.', None, 5) - espressif32 - PlatformIO Community
![cmd - Connecting To port...Could not open connection to the host, on port 23: Connect failed - Stack Overflow cmd - Connecting To port...Could not open connection to the host, on port 23: Connect failed - Stack Overflow](https://i.stack.imgur.com/WswBz.jpg)
cmd - Connecting To port...Could not open connection to the host, on port 23: Connect failed - Stack Overflow
Unable to launch the license server. Server log shows "(lmgrd) Failed to open the TCP port number in the license."
Could not open connection to the host, on port 23 Error when trying to telnet to an ION meter. | Schneider Electric Canada
![All of a sudden BetaFlight: Failed to open serial port, when trying to repair ImpulseRC: the port 'COM7' does not exist. And I can see COM 7 in BetaFlight right now. FC All of a sudden BetaFlight: Failed to open serial port, when trying to repair ImpulseRC: the port 'COM7' does not exist. And I can see COM 7 in BetaFlight right now. FC](https://i.redd.it/806jxpy9d7d41.jpg)
All of a sudden BetaFlight: Failed to open serial port, when trying to repair ImpulseRC: the port 'COM7' does not exist. And I can see COM 7 in BetaFlight right now. FC
![Web.esphome.io says "failed to execute 'open' on 'SerialPort': Failed to open serial port. : r/Esphome Web.esphome.io says "failed to execute 'open' on 'SerialPort': Failed to open serial port. : r/Esphome](https://external-preview.redd.it/web-says-failed-to-execute-open-on-serialport-failed-to-v0-08dcq2H8z8WmQPJVOkdTpJYAVF88ePQNOMp5kVhjepg.jpg?auto=webp&s=bb268178aa88d9ffdd7ecf75a891337b35635936)