https://community.appian.com/discussions/f/integrations/1670/i-am-trying-to-connect-to-external-microsoft-sql-server-database-using-querydataI am trying to connect to external Microsoft SQL server database using QueryDatabase smart service.I configured the server URL,username,password and required query statement in the setup tab.But this is giving me below error - (RDBMS Validation) Errorsen-USTelligent Community 12https://community.appian.com/thread/5910?ContentTypeID=1Fri, 06 Dec 2013 17:47:22 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:81fb6c55-b534-4ca8-b4fa-e2ed98c156c5Sathya SrinivasanMake sure you have the driver in the correct location. (see <a href="https://forum.appian.com/suite/wiki/73/Configuring_Relational_Databases)">forum.appian.com/.../Configuring_Relational_Databases)</a><br />Ideally, you should try to create a JNDI configuration where the connection is established instead of manually entering the secure credential at design time. I suggest you take that approach.<br /><div style="clear:both;"></div>