It disappoints me when I see suggestions like those in https://communities.bentley.com/products/plant/w/plant_design_and_engineering__wiki/28289/how-to-configure-openplant-modeler-to-use-workspace-from-shared-location when options exist to avoid editing local cfg files.
I was lucky enough to come across this one from one of the Bentley Developers. You CAN use a custom cfg file in the appl directory.
The key here is to…