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Adding a security warning

In some situations, you may want to add a security warning to Windows NT that users will see before they log on. Doing so is easy but requires you to edit the registry.

To create a security warning, open the registry editor and navigate to \HKEY_LOCAL_MACHINE\SOFTWARE\
Microsoft\Windows NT\CurrentVersion\WinLogon.

Next, double-click the LegalNoticeCaption value and enter the text Unauthorized Access Warning into the data field. Double-click the LegalNoticeText value and enter your security warning in the data field. Now, log off. Your security warning will now be displayed before you're given the chance to log back on.

Note: As always, we'll remind you that you should exercise extreme caution when editing the registry and be sure you have a verified backup before you begin, as making a mistake in the registry can destroy Windows.