Question

what would be used to set a default wallpaper background for all machines in a company, but still wanted users to be able to set their own wallpap

Answer 1

Answer and Explanation:

The easiest way to achieve this would be via the Group policy and you can also lock the users from changing the wallpaper. -Browse the following path:User Configuration > Administrative Templates > Control Panel > Personalization -Double-click the Prevent changing desktop background policy. -Select the Enabled option