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Which preference can block addons sync?

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We use .cfg file in browser installation directory to set prefs or lock prefs for all users. We have lock pref that block any add-on installation in browser. But when logging in Firefox Account, all addons from "home PC", e.g., syncing with local PC where installation is disabled. How can we prevent that? Thank you.

We use .cfg file in browser installation directory to set prefs or lock prefs for all users. We have lock pref that block any add-on installation in browser. But when logging in Firefox Account, all addons from "home PC", e.g., syncing with local PC where installation is disabled. How can we prevent that? Thank you.

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Hi

I am going to lock this thread as it appears to be a duplicate of:

https://support.mozilla.org/en-US/questions/1228871