Devices are added to the net_connect probe but quickly disappear from the list after saving.
Profile names are given the same name as a site name. This causes a conflict in the organization of the profiles leading them to be removed.
UIM Version: 8.47 +net_connect probe v 3.31 +
Change either the site name or the profile name so they do not match each other should allow the profile to remain visible.
More information can be found in the probe documentation.