There is no 64-bit version of MapGuide 6.5 (from which the SDF Component Toolkit comes from) and there never will be. - Jackie -- View this message in context: http://osgeo-org.1560.n6.nabble.com/SDFComponentToolkit-dll-on-64Bit-tp4978012p4978024.html Sent from the MapGuide Users mailing list archive at Nabble.com.