IssueWhen you try to refresh an extract on Tableau Online, the following error might occur:
com.tableausoftware.nativeapi.dll.DataSourceException: Unable to connect to the <data source type> Data Source. Check that the necessary drivers are installed and that the connection properties are valid.
When you then try to edit the data connection from Tableau Online, the following error might occur:
The drivers necessary to connect to the database server '<server name>' are not properly installed on Tableau Server. Visit http://www.tableausoftware.com/drivers to download driver setup files.