We will be looking at one of the common errors faced by “putty key format too new” while using the putty tool
Problem
Many times, we may get the below error while connecting using putty
putty key format too new
This happens as the Putty version used by the user is older than the version of the puttygen tool which is used to generate the key
Solutions
- You can upgrade your putty to the same version as the puttygen. then your issue will be resolved
- You can use the puttygen tool to export the keys in an older format
Open Puttygen-> Go to key -> Choose Parameters for saving files
Choose version 2
Click Ok.
Now load the ppk key which is giving an error in puttygen using the load button and save it as in a different file using the below steps
Now save the private key at a different location.
Now you should be able to use the different location key with Putty
Hope this resolves your issue of “putty key format too new”
Related Articles
How to use putty : Check out this post on how to use putty for SSH connection to a Linux or Unix server. Various settings of the terminal, how to download the client and install it
PuTTY CONNECTION MANAGER: Find out how to use Putty connection manager to manage multiple Linux/Unix nodes. Learn how to store passwords in puttycm and various important features
network error software caused connection abort: Check out how to resolve network error software caused connection abort in Putty. It will help surely in better connectivity
Puttygen: Puttygen is a very useful key generator that can be used to generate key pairs for login to Linux node on cloud or on-premise using putty
export Putty Sessions: Check out how to export Putty Sessions and then import it, Step by step detail is provided to move your putty session to another system