It will take parameters for number of days, weeks, months, or years that you want to go back in time. It will take that and pull all devices that have not logged into AD since that time and remove them from AD and SCCM. There is also a parameter for search base, which is the OU of AD that you want to look in. It includes all of the same help items as well.
Microsoft Endpoint Manager: Autopilot – White Glove or Not? Part 5 – Third Party Options
Introduction In the previous part of the series we talked about the average times it takes for endpoints to be