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In Late May, Mercury Payment Systems came out with several updates and require some of our customer’s to make this change within System 5 to prevent a possible credit card payment outage.
You will need to do the following:
From System 5:
1) Click Menu; go to Setup Tools and Choose Setup Wizard
2) Check to see if the Setup Wizard is set to Advanced Mode; (You can find this on top of the setup wizard to the left hand side)
If the wizard is in simple mode; click the “To Advanced Mode»” Link
3) Scroll down to the Credit/Debit Card Verification Section of the setup wizard and click accordingly:
4) Choose Mercury Payment System subsection
5) On the Mercury payment screen (on the right hand side); click the Credit / Debit Cards button; you should then see the following screen
6) In the Merchant Number field; enter the following information 123456789012=CUSTINTL
7) Click the close button to save the changes