1. An automated change management method, comprising: associating a first identifier with a change request, the change request specifying a change to a configuration of an information technology infrastructure; sending task instructions to one or more implementation tools to perform tasks to implement the change, the task instructions sent to each implementation tool including the first identifier; receiving a response from at least one of the implementation tools in response to the task instructions sent to that implementation tool, the received response including the first identifier and a result; associating the result to the change request based on the first identifier; and making the associated result available for subsequent processing.