Prevent changing the default search provider
Supported on: At least Internet Explorer 7.0
Registry
HKLM
Software\Policies\Microsoft\Internet Explorer\Infodelivery\Restrictions HKCU
Software\Policies\Microsoft\Internet Explorer\Infodelivery\Restrictions Value name: NoChangeDefaultSearchProvider
Enabled: NoChangeDefaultSearchProvider = 1
Disabled: NoChangeDefaultSearchProvider = 0
Description
This policy setting prevents the user from changing the default search provider for the Address bar and the toolbar Search box. If you enable this policy setting, the user cannot change the default search provider. If you disable or do not configure this policy setting, the user can change the default search provider.