How to set Java Security in Internet Explorer?

This step-by-step article describes how to set Java security in Internet Explorer.

Open Group Policy Editor and navigate to:

Computer Configuration\Administrative Templates\Windows Components\Internet Explorer
\Internet Control Panel\Security Page\Internet Zone

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Select the Java permissions setting on the right pane

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After enabling this policy setting, choose the permission setting from the drop-down box. Custom, to control permissions settings individually.

  • Low Safety enables applets to perform all operations.
  • Medium Safety enables applets to run in their sandbox, plus capabilities like scratch space and user-controlled file I/O.
  • High Safety enables applets to run in their sandbox. Disable Java to prevent any applets from running.
  • If you disable this policy setting, Java applets cannot run.
  • If you do not configure this policy setting, the permission is set to High Safety.