Thanks for the feedback. I did find some forums suggesting problems w Mac sleep. There is a beta version of server now to address that. See
http://forums.slimdevices.com/showthread.php?96514-Does-LMS-work-on-Apple-OS-10-8-Mountain-Lion
http://forums.slimdevices.com/showthread.php?96514-Does-LMS-work-on-Apple-OS-10-8-Mountain-Lion