Simulation version in planning board

Hi Friends,

As per standard SAP, the simulation versions of planning board will get updated with active version on adopting the active version.

How can we restrict the simulation version from being updated from active version? Any suggestions please

We want to make some simulations for the long term planning in planning board and just to keep it for checking and we don't want to have any updating from active version on the same.

Thanks for your valuable suggestions.

Thanks,

Prasanth