To run STW.EXE with a 
                  		  
Silk Central execution server and to successfully connect to a 
                  		  
Silk Test Workbench database, the following prerequisites are required: 
                  		
                  
 
                     		  
                     - Run the 
                        			 Silk Central execution server as a process, and not as a service. 
                        		  
                     
- Use database authentication to connect to the 
                        			 Silk Test Workbench database. 
                        			 Silk Test Workbench can use Windows authentication or database authentication when connecting to a 
                        			 Silk Test Workbench SQL Server database. 
                        		  
                     
- Configure the database server instance to use a static port. 
                        		  
                     
If these prerequisites are not met, 
                  		  
Silk Test Workbench might return the following error when trying to run STW.EXE with a 
                  		  
Silk Central execution server: 
                  		  
Error 3: DSN, username, or password incorrect.