This study made it possible to detect, using surveys, interviews and training, the failures of ATMs or ATMs, and updated the organizational failures of banks established in Benin in the electronic payment field. Following relevant analyzes, it has revealed that the real causes of the ATM / ATM unavailability problem are the total or partial loss of the link between the remote payment server and the terminal. It made it possible to propose the use of EDGE technology (use of GSM modems) for the connection between their ATMs and their payment server. A series of best practice recommendations, primarily supported by ITIL, were proposed in order to monitor and improve the organizational aspect of the problem which turned out to be one of the most important. In short, contributing to the improvement of the quality of the services of the ATMs of banks established in Benin will therefore consist essentially of a renaissance on the organizational and technical level.