Use solid color for Start background

This policy setting controls the Start background visuals.If you enable this policy setting the Start background will use a solid color.If you disable or do not configure this policy setting the Start background will use the default visuals.Note: If this policy setting is enabled users can continue to select a color in Start Personalization. However setting the accent will have no effect.

Policy path: 

Windows Components\Desktop Window Manager

Scope: 

Machine

Supported on: 

At least Windows Server 2012 Windows 8 or Windows RT

Registry settings: 

HKLM\SOFTWARE\Policies\Microsoft\Windows\DWM!DisableAccentGradient

Filename: 

DWM.admx

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