To ensure the Hach WIMS Indirect Server-Side Interface to Honeywell Plantscape SCADA will be able to communicate with the Plantscape SCADA, bring up the ODBC Data Source Administrator and select the Driver tab. There should be an entry for Experion PKS Server ODBC Driver.
When you select the System DSN tab, there should be an entry for EXPDataSource. Click the Configure button and you should see the following: