Unable to start a simulation because the Simulation environment is greyed out/inactive.
Solution
For a Floating Simulation add-on, you need to check it out for the Client.
Open Solid Edge and on the Simulation tab there is a 'get license' button.
Notes
If you have further inquiries about Solid Edge Solid Edge Portfolio Products Licensing please refer to the FAQs Collection link below:
Solid Edge Portfolio Products Licensing FAQs Collection