Tag Archives: https

jnlp (Java Network Launching Protocol) does not run from IE, only prompts to save

If you’re running a secure network, you may encounter a situation where you try to launch a Java web app (from an SSL session) and instead IE will only give you the option to save the jnlp file. ¬†Assuming that your JRE version is current, this is likely due to the following Group Policy being enabled:

Computer Configuration | Administrative Templates | Windows Components | Internet Explorer | Internet Control panel | Advanced Page | Do not save encrypted pages to disk

This causes IE to block saving the jnlp file to the cache, which also precludes it from launching.

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