Unfroze the lab machine, removed it from the MASH
domain, but then had to call in reinforcements for
lab-admin privileges. Joe stopped by to add the
machine back to the domain and ran gpupdate, which
solved the problem.

Computer will not let people log in. The message 
says something about Mash and something about not 
recognizing it, but she didn't know exactly what. 
The computer is on the first floor on the left 
past the periodicals, with an Out of Order sign 
on it.