Dear DCOracle experts: Thanks for your expeditious help! As a beginner Oracle user I had no idea that it was sufficient to edit properly the tnsnames.ora file in order to connect to an external server. Your hints also helped me to debug a client only Oracle 8 installation! Celio Guimaraes Institute of Computing Unicamp SP Brazil _______________________________________________ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )