I am trying to launch AWS EC2 instance with Ubuntu AMI. The username is ubuntu. Before the launch, I created my key using .ppk option checked:

After launching EC2, I can see the key I selected is showing under Key pair name.

I opened putty, pasted hostname as [email protected] and selected the .ppk file under SSH > Auth > Browse and then clicked open and get the error message as below:

I have literally gone mad as I am unable to figure out why the simplest thing isnt working.

Need some help, thank you

CodePudding user response：

Hostname is only the ec2-blah-blah-blah-blah.eu-west-2.compute.amazonaws.com, without ubuntu@.

Also there is this article for further investigation.

CodePudding user response：

Upgrading Windows Putty to 0.77 solved the problem.