Remove Boot / Shutdown / Logon / Logoff status messages: registry value DisableStatusMessagesComputerHKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System

Policy ID
DisableStatusMessages
Scope
Computer Configuration
Supported on
Windows Server 2003, Windows XP, and Windows 2000 only
Source
Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category
System

Registry

DisableStatusMessages

-Computer