To start ESMAC: 
		
 
		 
		  - Access the Enterprise Server Administration screen for your installation. 
		  
- In the table of 
			 Enterprise Server instances, check that the server you want has started, and if not, start it. 
		  
- In the 
			 Status column of the 
			 Enterprise Server instance to monitor, click 
			 Details. 
			 The Details screen for the server is displayed. 
			  
- On the Details screen, select the 
			  tab, then click 
			 ES Monitor & Control. 
			 The Enterprise Server Monitoring and Control (ESMAC) screen is displayed. 
			  
 
	 To transfer the in-memory trace data to the auxiliary dataset at rollover
	 
	  
		- Click 
		  Control. 
		  The Control page is displayed.
		   
- Check 
		  Active Trace DS, active
		
Note:  
		By default, the enterprise server uses the A dataset to record trace information.