One of our mailboxes can not be found from the directory lookup when you press 9 in the auto attendant.

I can not seem to find any settings that will include or exclude a mailbox from the name directory lookup. Every other mailbox is in the name directory that I have tested.

emaGEN voicemail system

Code
Emagen Quick Glance License Info
 Licensed         In Use 
-----------------------------------------------
Serial Number         	204xxx    
Number Of Mailboxes  	Unlimited         46  
Voice Ports           	4    		
Fax Ports             	0    
Email Clients         	5                 1  
Call Control Clients  	5                 1  
Serial Integration    	On    
IVR                  	Off    
TTS Sessions           	0    
SR Sessions            	0