created by Lukasz Mazur in Creo
Thanks - but how do I do this:
"2.] reconfigure Creo installation and modify existing "launch" command or create new one"
Well, you haven't specified which version of Creo you use. For Creo 1.0, there is directory Parametric\bin and you run ptcsetup.bat from that directory, while in Creo 2.0 there is no ptcsetup.bat and there is reconfigure.exe instead. Unfortunately, setup dialog boxes between those two versions are completely different, so I won't write it step by step two times 
Anyway, it all comes down to this:
You have to get to "Edit License" dialog box (it should have something like "parametric Creo Parametric (default)" in it, along with buttons New, Edit and Delete on the right side of the window. You should select this "parametric" entry from the list (I guess you have only one) and click Edit, which will open new window, where you can edit licenses. Here's the tricky part: on the right side of the window, there is a field "Licenses to run". For Creo Parametric license to run is "PROE_AdvFoundation" (or something like this), while for Creo Essentials I actually don't remember, but it's different My guess is, on all machines you have Creo configured with license for Creo Parametric and the license for Essentials is not requested by any of them. You should remove license for Creo Parametric and replace it with license for Essentials on one of the machines and then just click Next/OK until you'll get to the point of reconfiguring your software.
If you'd say which version of Creo you use, I might be able to write you a more detailed guide on how to reconfigure licenses.
I am using creo 2.0. I've already tried the reconfigure.exe which opens "installation assistant" but there isn't a "edit license" option.
There is a "setup license" button, but its greyed out.
The only option is "customize exisiting software"
Next dialog is "License Identification" (simple license entry, advanced license entry, and license summary.)
I tried every option every way I can think of with no results.
Anything you can think of?
-Matt