Before you enable SSL, you must set the TrustedFile property in the connection string to the file name of the trusted roots file. The file name should contain the path to the file as well.
Set the Encryption property in the connection string to ssl.
Launch the ODBC DataSource Administrator.
Select the datasource name (DSN) you would like to use and choose Configure.
Click the Connection tab.
Select UseSSL in the Secure Socket Layer Group.
Provide the complete path to the trusted roots file in the TrustedFile field.
Enabling SSL connections