faq:vx805_emv_errors
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faq:vx805_emv_errors [2024/01/31 09:17 (8 weeks ago)] – craig | faq: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. | 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. | ||
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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