Daniel,
Check that your boss's libraries are loading correctly. When you open the library manager, the libraries, if you want them to be remembered, should be from the computer/network, not the virtual library that is loaded. they should be from the tab that says Local/Lan.
HTH
Erika
Architect, Consultant
MacBook Pro Retina, 15-inch Yosemite 2.8 GHz Intel Core i7 16 GB 1600 MHz DDR3
Mac OSX 10.11.1
AC5-18
Onuma System
"Implementing Successful Building Information Modeling"