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always allow silverlight

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we are deploying Firefox ESR 38.2 on an enterprise level. when ever Firefox launches the users get a button to enable Microsoft Silverlight along the top of the screen under the address bar. how can i enable this option for my enterprise. what settings to i need in my mozilla.cfg file to set this option to Always Allow.

we are deploying Firefox ESR 38.2 on an enterprise level. when ever Firefox launches the users get a button to enable Microsoft Silverlight along the top of the screen under the address bar. how can i enable this option for my enterprise. what settings to i need in my mozilla.cfg file to set this option to Always Allow.

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By using the current version of the Silverlight Plugin http://www.microsoft.com/getsilverlight/get-started/install/default.aspx

https://www.microsoft.com/getsilverlight/locale/en-us/html/Microsoft%20Silverlight%20Release%20History.htm

If you are getting click to play with Silverlight then you may have a older version that is soft blocked on blockelist.

https://addons.mozilla.org/en-US/firefox/blocked/ October 5, 2012: Silverlight 5.0 to 5.1.20124.* October 5, 2012: Silverlight 4.1.10328.0 and lower

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If you are creating an autoconfig file, you can try setting plugin.state.npctrl to the desired value.