C Sharp, Ordner mit AD Zugriffsberechtigungen kopieren

 private void Click_Copy_directory(object sender, RoutedEventArgs e)
        {
          
            // Start Directorycopy 
            //(Pfade geschwärzt)
            DirectoryCopy(@"#####", @"#####", true);  
        }

        private static void DirectoryCopy(string sourceDirName, string destDirName, bool copySubDirs)
        {
            // Get the subdirectories for the specified directory.
            DirectoryInfo dir = new DirectoryInfo(sourceDirName);

            if (!dir.Exists)
            {
                throw new DirectoryNotFoundException(
                    "Source directory does not exist or could not be found: "  
                    + sourceDirName);
            }

            DirectoryInfo dirs = dir.GetDirectories();

            // If the destination directory doesn't exist, create it.        
            Directory.CreateDirectory(destDirName);

            // Get the files in the directory and copy them to the new location.
            FileInfo files = dir.GetFiles();
            foreach (FileInfo file in files)
            {
                string tempPath = Path.Combine(destDirName, file.Name);
                file.CopyTo(tempPath, false);
            }

            // If copying subdirectories, copy them and their contents to new location.
            if (copySubDirs)
            {
                foreach (DirectoryInfo subdir in dirs)
                {
                    string tempPath = Path.Combine(destDirName, subdir.Name);
                    DirectoryCopy(subdir.FullName, tempPath, copySubDirs);
                }
            }
        }