I mean FDO provider not version. What are you joining to the dbf or mdb? SDF? SHP? Something else. - Jackie -- View this message in context: http://osgeo-org.1560.n6.nabble.com/MG-2-4-b1-join-error-tp4984823p4984853.html Sent from the MapGuide Users mailing list archive at Nabble.com.