Here you can create a legal notice for users at logon.
The first entry contains the caption,the second entry contains the text
of your notice.Navigate to the following key :


- HKEY_LOCAL_MACHINE
\SOFTWARE\Microsoft\Windows NT
\CurrentVersion\Winlogon\


In the right pane focus on the next 2 entrys :

LegalNoticeCaption (double click it and enter your caption)
LegalNoticeText (double click it and enter your text)


If the entrys are not there you need to create them as a
REG_SZ [String Value]
and name them like the entrys mentioned above.
(right click in right pane / new /choose REG_SZ [String Value])