After installing the Plant Design Suite Ultimate 2016, when you try to run Inventor, it will not activate correctly. The activation error is: License Status [2.10.0].
The problem is that when you install the software as Plant Design Suite, Inventor will activate as Inventor Professional 2016.
Please check out this article for resolving this issue:
Thanks to the Inventor Development Team and Byron Morales for sharing this tip with the community.