This feature can be made optional, either with a check box or by detecting support for LDAP.
i.e. if ldap is not available, neither would the feature be.
I am slightly surprised that LAMPS don't have this ability, since OpenLdap is available for Linux and included with most distros, therefore PHP ldap support would seem an obvious inclusion. Have you checked that you dont simply have to add it into PHP.INI?
For more info see
http://uk2.php.net/ldap
I agree it is a bit "helpdesk"-ish and maybe not a top priority, but if you want it, why not spend the time develping it. I could certainly use the ability to look in my audit and see who should be sitting at a certain machine, since I can then call them up and ask why they have ben installing unauthorised software for example.
I can obviously do this the hard way (call up AD users and computer, find the computer and user, look up the phone number etc) but why not let OA do all of the hard work for you. Especially if I add back the ability to connect using RDP or VNC which I had recently added to Winventory (see the Winventory support forums for more details) directly from OA. This gives a "one click to connect to the user" kind of feel to OA.
I dont think we should discourage development of a particular feature simply because "I wont use it".
Feel free to shout me down however I'm fairly thick skinned.