Putty Serial Connection Windows 11, Nov 7, 2014 · Hi, I’m attempting to use putty to get a serial window working. Feb 8, 2025 · For the issue you encountered with error 5 (Access Denied) when starting a serial connection using PuTTY on Windows 11, here are some possible solutions and analyses: 1 Plug in your USB to Serial adapter, and determine its COM port number by opening the Windows Device Manger (a driver must have previously been installed for the adapter). PuTTY is a widely-used open-source terminal emulator and serial console for Windows that facilitates secure communication over various network protocols, including SSH, Telnet, and Rlogin. Edit the settings, eg: COM1, 9600, 8, 1, None. 2 Open PuTTY, and click Serial from the Category: Connection. When the core is in listening mode (Flashing blue) the core appears in device manager and using the terminal I can get the device ID. Latest version Putty 0. Note the COM port number for the serial adapter. . It is commonly employed by network administrators, IT professionals, and developers to establish secure connections to remote servers and devices. 3bfxg, ufu, q1d3q4cb3, uu4, em2zt, mnoo, oer, il, buck, gfp,