I was working on a migration of servers and for that I was manually setting up the Window Title for each server in putty but the changes last only till I press Enter on keyboard.

ItÔÇÖs often gets difficult to memorize the putty session, if a proper title is not set and hence I was looking for a solution to setup a permanent windows title for a server in putty and found that the same can be achieved by modifying/updating the below two settings in Putty:

In Window -> Behavior  set your desired Window Title
In Terminal -> Features check Disable remote-controlled window title changing