This policy controls the Web site compatibility lists provided by Microsoft. The updated Web site lists are available on ...

This policy controls the Web site compatibility lists provided by Microsoft. The updated Web site lists are available on Windows Update.
      
If you enable this policy setting, the compatibility Web site lists provided by Microsoft will be used during browser navigation. If a user visits a site on the compatibility list provided by Microsoft, the page will automatically display in Compatibility View.

If you disable this policy setting, the Microsoft Web site list will not be used. Additionally, users can not enable the feature using the Compatibility View Settings dialog box.

If you do not configure this setting, the Microsoft Web site list will not be active. The user can enable the functionality using the Compatibility View Settings dialog box.