how to access a network drive folders through window service which is installed on different server

public static void SaveACopyfileToServer(string filePath, string savePath)
        {
            var directory = Path.GetDirectoryName(savePath).Trim();
            var username = "loginusername";
            var password = "loginpassword";
            var filenameToSave = Path.GetFileName(savePath);

            if (!directory.EndsWith("\\"))
                filenameToSave = "\\" + filenameToSave;

            var command = "NET USE " + directory + " /delete";
            ExecuteCommand(command, 5000);

            command = "NET USE " + directory + " /user:" + username + " " + password;
            ExecuteCommand(command, 5000);

            command = " copy \"" + filePath + "\"  \"" + directory + filenameToSave + "\"";

            ExecuteCommand(command, 5000);


            command = "NET USE " + directory + " /delete";
            ExecuteCommand(command, 5000);
        }

        public static int ExecuteCommand(string command, int timeout)
        {
            var processInfo = new ProcessStartInfo("cmd.exe", "/C " + command)
            {
                CreateNoWindow = true,
                UseShellExecute = false,
                WorkingDirectory = "C:\\",
            };

            var process = Process.Start(processInfo);
            process.WaitForExit(timeout);
            var exitCode = process.ExitCode;
            process.Close();
            return exitCode;
        }