Click here for Backup and Restore Registry
To enable display of a warning message, make the following changes in the registry:
1. Start Registry Editor (Regedit).
2. Locate the HKEY_LOCAL_MACHINE subtree, and then go to the following key:
3. Add or modify the following values:
For example, the "LegalNoticeCaption" can be "Important Notice:" and the "LegalNoticeText" can be "No unauthorized access is allowed".
The user sees this dialog box after the user presses CTRL+ALT+DEL and before the user sees the logon dialog box. The user can click OK in the message box and log on normally. Quit Registry Editor.