hi rak123, firefox doesn't support group policy settings - the best way to go about deploying some settings across a large number of devices that can be fairly automated is probably the way described in http://kb.mozillazine.org/Locking_preferences if you want to set a default homepage please also refer to this blog post in particular: https://mike.kaply.com/2012/08/29/setting-the-default-firefox-homepage-with-autoconfig/