- Create Your own Logon message -

1 Click start, click run, type regedit, then click ok!
2 In The registry editor, drill down to the following key:
hklm\software\Microsoft\Windows NT\Current version\Winlogon

3 Right click LegalNoticeCaption, click modify, Type: My windows XP Machine,
and then click ok!

4 Right click legalNoticeText, click modify, and then Close your message!
5 The message will appear every time you logon!