We recommend users who use eProcessingNetwork (EPN) as their payment gateway turn on the "Transparent Database Engine" (TDBE) option in EPN and ISN. This mode ensures the full range of card processing offered by EPN.

To activate TDBE:

1. Sign in to EPN at https://www.eprocessingnetwork.com/msclogin.html, then navigate to Web Services --> Processing Controls:

Ensure none of the integration checkboxes are checked, then click Save Disabled Integrations.

2. Sign into ISN and navigate to (ISN main menu) Settings --> Office Settings. Under My Office Settings click on Payment Options.
Find this checkbox and turn it on:

Then click Save Payment Preferences.

We recommend testing a $1 transaction with yourself as the client to ensure it's working ok, as EPN offers no way to test without a real card. You can do this by scheduling a "dummy" order in ISN and deleting it after you are done.

If you require further assistance with payment processing through ISN please contact our support and we will be happy to help.

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