Policy
Remove Boot / Shutdown / Logon / Logoff status messages
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.
c8580279b925 DisableStatusMessages Registry
Copy registry mappings
HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableStatusMessages (enabled) = 1
HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableStatusMessages (disabled) = 0 Policy notes
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.