Matt Calvert's Blog

Finding Hidden or "Non-Present" Devices in Windows Device Manager

In Windows Device Manager, even enabling Show hidden devices won’t show you the devices which were once connected to your server. This is especially relevant during server model changes, and in physical to virtual (P2V) and virtual to virtual (V2V) migrations, for instance from Hyper-V to VMware for instance.

To work around this behavior and display those hidden devices when you click ‘Show hidden devices’:

set devmgr_show_nonpresent_devices=1
start devmgmt.msc