To enable the eProcessingNetwork gateway:

1. In the AspDotNetStorefront admin console, go to the Site Configuration Wizard page.

2. In the Payment Gateway section, click the 'configure' link next to the eProcessingNetwork entry.

3. Put in the values you obtained from eProcessingNetwork for the 'Login' and 'Transaction Key'.

4. Click 'Save and Close'.

5. Finally, click the radio button next to eProcessingNetwork and then click the 'Submit' button.