Do not allow taskbars on more than one display

This policy setting allows you to prevent taskbars from being displayed on more than one monitor.

If you enable this policy setting, users are not able to show taskbars on more than one display. The multiple display section is not enabled in the taskbar properties dialog.

If you disable or do not configure this policy setting, users can show taskbars on more than one display.

Supported on: At least Windows Server 2012, Windows 8 or Windows RT
Registry HiveHKEY_CURRENT_USER
Registry PathSoftware\Policies\Microsoft\Windows\Explorer
Value NameTaskbarNoMultimon
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

taskbar.admx

Administrative Templates (Computers)

Administrative Templates (Users)