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Saturday, September 7, 2013

How to disable Java in IE using Group Policy


You may already be aware there is a pretty serious vulnerability with Java that has just been patched (see Security Alert for CVE-2013-0422 Released ) on pretty much all versions of the program. For some people however this may get them questioning if they need Java installed at all on their computers. Personally I have uninstalled Java off my friends and family computers for the past few years without anyone every complaining. Certainly other Microsoft MVP;s are also finding that having Java disabled in the browser seems to have little of no affect (see https://twitter.com/troyhunt/status/290589939782000641 ) as most
 web sites no longer user Java applets. However as an avid gamer IT Professional I am fully that some programs require Java to be installed to allow the full desktop apps to work (like Minecraft). So you may be please to know there is a way to Disable Java in Internet Explorer thus greatly reducing the risk of having Java installed…
While Java is not normally configured via a registry thanks to @rickd4real (Via) @stealthpuppy I have been able to extract the Group Policy Preference Registry file that you can quick import into your GPO to disable Java in IE for Users of Computers.

Disable Java in IE1           Disable Java in IE2                   Disable Java in IE3

Disclaimer: Use at your own risk. I am trusting the registry keys provided are sufficient to disable Java.
Update: Additional info at Microsoft KB : http://support.microsoft.com/kb/2751647

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