If you as an IT admin are using Microsoft Intune for a while, the chance is quite big that you will see devices that are not checked in for a very long time. Often these are devices that are no longer in use or whose device management has been manually removed. By default Microsoft Intune will remove every device that not checked in for over 270 days. This is too long for most IT admins that want’s a clear overview of active devices currently managed by Microsoft Intune. Therefor Microsoft has released the “Device cleanup” feature back in July, 2018.