Enterprise Developer 3.0 requires an installation of 
               		z/Server version 3.0 (V3R0) or higher. 
               	 
            
 
            	 
            Before upgrading an existing installation of 
               		z/Server of a version earlier than version 3.0, Micro Focus recommends that you install 
               		z/Server 3.0 on separate ports, and test this with AWM in 
               		Enterprise Developer 3.0: 
               	 
            
 
            	 
             
               		
               - Install 
                  		  z/Server 3.0 on ports separate from your current installation of 
                  		  z/Server. Keep the existing 
                  		  z/Server as the productive server installation. 
                  		
               
- Install 
                  		  Enterprise Developer 3.0 and ensure that all server connections point to the 
                  		  z/Server 3.0 installation. 
                  		
               
- Test your remote AWM models against the server. For example: 
                  		  
                   
                     			 
                     - Test whether you expanding your defined data set filters works in MVS Explorer. 
                        			 
                     
- Try to duplicate and delete a member in a PO data set. 
                        			 
                     
- Edit and save a sequential MVS file or a member of a PO data set from the MVS Explorer. 
                        			 
                     
 
- After all tests have successfully passed, roll out 
                  		  Enterprise Developer 3.0 across your organization. 
                  		  
                  AWM in all installations should point to the 
                     			 z/Server 3.0 installation. 
                     		  
                   
- When all 
                  		  Enterprise Developer installations have been upgraded successfully, the tasks started by the earlier version of 
                  		  z/Server can be deactivated or uninstalled.