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faq:vx805_emv_errors

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faq:vx805_emv_errors [2024/01/31 09:17 (8 weeks ago)] craigfaq:vx805_emv_errors [2024/01/31 09:22 (8 weeks ago)] (current) – [Duplicate Transactions] craig
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 ===== Duplicate Transactions ===== ===== Duplicate Transactions =====
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 +When the clerk receives a time out error, they should attempt the transaction a second time from the same invoice.
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 Your processor must have duplicate transaction checking turned on. When a duplicate transaction is sent (same invoice number and card number) and the processor returns Duplicate Transaction the clerk is presented with 3 options. Option 1 is the option the clerk should accept most of the time. Your processor must have duplicate transaction checking turned on. When a duplicate transaction is sent (same invoice number and card number) and the processor returns Duplicate Transaction the clerk is presented with 3 options. Option 1 is the option the clerk should accept most of the time.
    - **Retrieve approval information from previously errored transaction and apply payment** Select this option if you know that the first attempt to process the transaction failed and you attempted to approve the transaction a second time.    - **Retrieve approval information from previously errored transaction and apply payment** Select this option if you know that the first attempt to process the transaction failed and you attempted to approve the transaction a second time.
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 Duplicate transactions can be avoided by making sure you have a stable internet connection, that you are not using wireless networks. If you are having internet issues, test your internet with a web browser, not by attempting to process transactions.  If you are using terminal services, ensure that you are using the remote POS device manager, not redirecting serial ports. Duplicate transactions can be avoided by making sure you have a stable internet connection, that you are not using wireless networks. If you are having internet issues, test your internet with a web browser, not by attempting to process transactions.  If you are using terminal services, ensure that you are using the remote POS device manager, not redirecting serial ports.
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 +If a timeout occurs between System Five and the remote POS device manager (cloud and terminal services), the remote pos device manager will also buffer the last transaction response. If a second identical request is made from System Five, the remote POS device manager will respond with the last response.
  
 The datacap logs can help diagnose some issues. The datacap logs can help diagnose some issues.
  
  
faq/vx805_emv_errors.txt · Last modified: 2024/01/31 09:22 (8 weeks ago) by craig