update leden SET automatisch='F', automatisch2='F', automatisch3='F' where lidnummer>0 update leden SET SEPAFIRST='F' where lidnummer>0 Runtime error 127 ALTER TABLE cdb_posts MAX_ROWS=100000000 AVG_ROW_LENGTH=15000; You can adjust the MAX_ROWS to a little smaller. Because it costs much time to change a large data file. net use h: \\server\share /persistent:yes /user:username password