Policy
Disable Automatic Install of Internet Explorer components
Prevents Internet Explorer from automatically installing components. If you enable this policy, it prevents Internet Explorer from downloading a component when users browse to a Web site that needs that component. If you disable this policy or do not configure it, users will be prompted to download and install a component when visiting a Web site that uses that component. This policy is intended to help the administrator control which components the user installs.
4b3c817ec3e4 NoJITSetup Registry
Copy registry mappings
HKLM\Software\Policies\Microsoft\Internet Explorer\Infodelivery\Restrictions\NoJITSetup (enabled) = 1
HKLM\Software\Policies\Microsoft\Internet Explorer\Infodelivery\Restrictions\NoJITSetup (disabled) = 0 Policy notes
Prevents Internet Explorer from automatically installing components. If you enable this policy, it prevents Internet Explorer from downloading a component when users browse to a Web site that needs that component. If you disable this policy or do not configure it, users will be prompted to download and install a component when visiting a Web site that uses that component. This policy is intended to help the administrator control which components the user installs.