1. A method for measuring the performance of at least one target server housing a dynamic monitoring tool which can be controlled by scripts, the dynamic monitoring tool comprising predefined probes for acquiring the data relating to the behaviour of an operating system and applications of said target server, the method comprising, from a remote management server, the following steps: a dynamic monitoring tool within the target server is accessed via a communication network, at least one script to be executed by the dynamic monitoring tool is remotely transmitted, and at predetermined times, the target server is automatically accessed so as to retrieve the performance data resulting from the execution of said script by the dynamic monitoring tool.