| Not that anyone cares, but it appears the key was that the server that isn't working has its guest account enabled.  Systems on the corporate domain were being logged in a guest and not getting permissions.  Systems on the lab network were being logged in as Administrator. 
				__________________'He who receives an idea from me, receives instruction himself without lessening mine; as he who lights his taper at mine, receives light without darkening me.' 
-TJ
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