You must create an entry for the user in the Sign-on Table (SNT) if the user requires: 
               	 
            
 
            	 
             
               		
               - A user ID and password. These are required if: 
                  		  
                   
                     			 
                     -  The user has to sign on to 
                        				MSS using the supplied transaction CESN. 
                        			 
                     
- The user wants to modify resource definitions using the Resource Definition Facility if security is enabled.
                        			 
                     
 
- Security keys 
                  		   and/or resource keys.
                  		
               
Each entry in the SNT specifies the following: 
               	 
            
 
            	 
             
               		
               - The ID with which a user signs on through the CESN transaction. 
                  		
               
- The user's 
                  		  MSS password. 
                  		
               
- The user's security and resource keys.