Both client and host need to make this change. Now open “rgl_config.txt” and change the “use_secure_connection = 1” to “use_secure_connection = 0”. Just make sure that there are not any MB related redirects found inside. No file editing is needed in the latest patch.
The host file is located in Windows\System32\Drivers\etc\.”rgl_config.txt” is located in C:\Documents\Mount&Blade Warband. Note: Don’t use Hamachi Fix, till you have patched the game to the latest. After you have successfully patched the game, use this Hamachi Fix, to patch the game for online play using Hamachi. First patch the game to the latest version, you can download the patch.