A method, system and program product for determining a number of concurrent users being served by a system at a given point-in-time is provided. The method includes running, at a pre-determined point-in-time, a collection script for collecting user data from one or more target systems, the user data collected including a number of concurrent users logged into each of the target systems at the pre-determined point-in-time. The method further includes generating one or more electronic transmissions for transmitting the user data collected, loading the one or more electronic transmissions generated into a monitoring system, and creating an output file containing the user data. Further, the loading step includes parsing the user data loaded, storing the user data collected and parsed into a database and updating the stored user data. Moreover, the method includes transmitting the output file from the monitoring system to one or more monitoring system clients.