Hi, 1. You need to add your maps in these files: conf/map/maps.conf and db/map_index.txt. 2. Add your grf(s) or data folder to conf/grf-files.txt. 3. Build the mapcache plugin in the plugins folder. On linux you can use make plugin.mapcache and for windows you can follow this guide: http://herc.ws/wiki/Building_HPM_Plugin_for_MSVC#New_Method 4. To rebuild the cache as configured in the files above you can use map-server --load-plugin mapcache --rebuild-mapcache. To just add the maps s