Allow Install On Demand (except Internet Explorer)
Supported on: Only Internet Explorer 6.0 in Windows 2003 Service Pack 1
Registry
Software\Policies\Microsoft\Internet Explorer\Main Software\Policies\Microsoft\Internet Explorer\Main Value name: NoWebJITSetup
Enabled: NoWebJITSetup = 0
Disabled: NoWebJITSetup = 1
Description
This policy setting allows you to manage whether users can download and install self-installing program files (non-Internet Explorer components) that are registered with Internet Explorer (such as Macromedia and Java) that are required in order to view web pages as intended. If you enable this policy setting, non-Internet Explorer components will be automatically installed as necessary. If you disable this policy setting, users will be prompted when non-Internet Explorer components would be installed. If you do not configure this policy setting, non-Internet Explorer components will be automatically installed as necessary.