The other thing I did was set up symbolic links from /usr/lib and /usr/local/lib to /usr/local/mysql/libmysqlclient.18.dylib<br><br>sudo ln -s /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/local/lib/libmysqlclient.18.dylib<br>sudo ln -s /usr/local/mysql/lib/libmysqlclient.18.dylib /usr/lib/libmysqlclient.18.dylib<br><br>Maybe one of those symbolic links enabled R to find the library?<br><br>Dan<br><br><br>