activation sw 2006

We purchased SW2005 node locked with license italian v.
Next Year came SW2006 node locked with license.
The end of the year came SW2006 3.1 with dongle and after thatSW2006 5.1 patch (with dongle).

We changed machine and parallel ports are not present on newperforming laptops (and sometime WS); reading carefully Your topicsI am concerned to be forced to upgrade to SW2007 to use my newmachine, is it real ?SolidworksAdministration