I messed up how --specific-zoom-levels is setup. Try this build: https://ci.appveyor.com/api/buildjobs/xum4co5ub47il3o1/artifacts/artifacts%2FMgTileSeeder-win-x64-6.0.0.327.zip - Jackie -- Sent from: http://osgeo-org.1560.x6.nabble.com/MapGuide-Users-f4182607.html