C-Sharp WqlConnectionManager SCCM-Connection

        public WqlConnectionManager Connect(string serverName, string userName, string userPassword)  
        {  
            try  
            {  
                SmsNamedValuesDictionary namedValues = new SmsNamedValuesDictionary();  
                WqlConnectionManager connection = new WqlConnectionManager(namedValues);  
                if (System.Net.Dns.GetHostName().ToUpper() == serverName.ToUpper())  
                {  
                    connection.Connect(serverName);  
                }  
                else  
                {  
                    connection.Connect(serverName, userName, userPassword);  
                }  
                return connection;  
            }  
            catch (SmsException ex)  
            {  
                Console.WriteLine("Failed to connect. Error: " + ex.Message);    
                return null;  

            }  
            catch (UnauthorizedAccessException ex)  
            {  
                Console.WriteLine("Failed to authenticate. Error:" + ex.Message);    
                throw;  
            }  
        }