The Hide Active Directory folder policy (User Configuration\AdministrativeTemplates\Desktop\Active Directory) hides the Active Directory folder in My Network Places.
If the policy is Not Configured, you can use Regedt32 to navigate to:
KEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Directory UI
NOTE: You may have to add the Windows and Directory UI keys.
On the Edit menu, Add Value name HideDirectoryFolder, as a REG_DWORD data type. Set the data value to 1.
NOTE: If you add HideDirectoryFolder, you must also add it at:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\LocalUser\Software\Policies\Microsoft\Windows\Directory UI.
NOTE: You might find it easier to run Merge the following .REG file with the user's registry:
REGEDIT4
\[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\LocalUser\Software\Policies\Microsoft\Windows\Directory UI\]
"HideDirectoryFolder"=dword:00000001
\[HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Directory UI\]
"HideDirectoryFolder"=dword:00000001