Export Putty Settings
Here's how to export PuTTY settings:
Open the registry: Start Menu -> Run -> regedit
Go to "HKEY_CURRENT_USER\Software\SimonTatham" Right-click SimonTatham and choose Export
Copy the file to a new machine and then right-click and "Merge"
This is from: http://technicaldoc.blogspot.com/2007/03/export-putty-settings.html