Export Putty Sessions :

1. Run

regedit /ea putty.reg  HKEY_CURREN_USER\Software\SimonTatham\PuTTY

  1. Copy putty.reg on to the new computer

  2. On the new computer, open up a command prompt :

regedit /s putty.reg

Delete All Putty sessions :

c:>putty -cleanup