To enable the Transaction Central 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 Transaction Central entry.
3. Put in the values you obtained from Transaction Central for the 'MerchantID' and 'RegKey'.
4. Click 'Save and Close'.
5. Finally, click the radio button next to Transaction Central and then click the 'Submit' button.