Hive: HKEY_CURRENT_USER
  Key: Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
  Name: Favorites
  Type: REG_SZ
  Value: \\ServerName\CommonFavorites
You can establish a shared common Desktop, Start Menu, and Programs folder on your server. For each client machine, edit:
  Hive: HKEY_LOCAL_MACHINE
  Key: Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
Name: Common Desktop
  Type: REG_EXPAND_SZ
  Value: UNC path of a shared folder on a server.
Name: Common Programs
  Type: REG_EXPAND_SZ
  Value: UNC path of a shared folder on a server.
Name: Common Startup
  Type: REG_EXPAND_SZ
  Value: UNC path of a shared folder on a server.