Prevent adding, dragging, dropping and closing the Taskbar's toolbars: registry value NoCloseDragDropBandsUserHKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer

Policy ID
sz_DB_DragDropClose
Scope
User Configuration
Supported on
At least Windows 2000
Source
Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category
Desktop

Registry

NoCloseDragDropBands

-User