Remove Boot / Shutdown / Logon / Logoff status messages
Supported on: Windows Server 2003, Windows XP, and Windows 2000 only
Registry
HKLM
Software\Microsoft\Windows\CurrentVersion\Policies\System Value name: DisableStatusMessages
Description
This policy setting suppresses system status messages. If you enable this setting, the system does not display a message reminding users to wait while their system starts or shuts down, or while users log on or off. If you disable or do not configure this policy setting, the system displays the message reminding users to wait while their system starts or shuts down, or while users log on or off.