PuTTY Fatal Error No Supported Authentication methods available (server sent: publickey)

Table of Contents

PuTTY Fatal Error No Supported Authentication methods available

In some cases, you get the following error when trying to connect to a Linux system using PuTTY. Even you’ve configured all settings correctly.

PuTTY Fatal Error No Supported Authentication methods available (server sent: publickey)

You got it because you’re using the old version of PuTTY. To fix it, let’s open PuTTY | About | Visit Web Site to go to the PuTTY official website.

PuTTY Fatal Error No Supported Authentication methods available (server sent: publickey)

In the PuTTY official site, download the latest version then install it normally.

PuTTY Fatal Error No Supported Authentication methods available (server sent: publickey)

Once installed, open PuTTY and check the version to make sure it is updated to the latest version.

PuTTY Fatal Error No Supported Authentication methods available (server sent: publickey)

Finally, connect to a Linux remote system to verify it works.

PuTTY Fatal Error No Supported Authentication methods available (server sent: publickey)

Leave a Comment

Required fields are marked *