We are running OCS Inventory NG Server Ver 2.1.2
In Config -> tab Server : AUTO_DUPLICATE_LVL : only macaddress is selected.
In Config -> tab IpDiscover , I think everything is as default.
The problem is that some laptops, that are not able to regularly contact the server (e.g. due to VPN connections), are disappearing all of a sudden from the inventory list, where they had been showing previously.
Which setting(s) could be causing this?