[Mozilla Enterprise] Setting FF as default browser in Win10

[Lavrijsen, Mark]

That's because Microsoft made it impossible to set the default browser(and things like file associations) using scripts and/or registry changes after deployment(because they want to mitigate browser and/or file extension hijacking issues).  Well, there is a GPO that loads a .XML where you could set file associations, but it is very inflexible and cumbersome.  

Luckily someone was able to work around this new "security feature" in Windows 10: https://kolbi.cz/blog/2017/11/10/setdefaultbrowser-set-the-default-browser-per-user-on-windows-10-and-server-2016-build-1607/ 
Works excellent in our environment, but use with caution, it could break at any moment because of a windows update. 

-----Oorspronkelijk bericht-----
Van: Enterprise <enterprise-bounces at mozilla.org> Namens Marco Gaiarin
Verzonden: dinsdag 26 november 2019 11:54
Aan: enterprise at mozilla.org
Onderwerp: [Mozilla Enterprise] Setting FF as default browser in Win10


I was used to set FF as default browser, programmatically, in win7 using, system side:

	"%ProgramFiles%\Mozilla Firefox\uninstall\helper.exe" /SetAsDefaultAppGlobal

(but seems does not work anymore), or:

	reg add "HKLM\SOFTWARE\Clients\StartMenuInternet" /f /ve /t REG_SZ /d "Firefox-308046B0AF4A39CB"
        reg add "HKLM\Software\Microsoft\Internet Explorer\Main" /f /v "Check_Associations" /t REG_SZ /d "no"

that worked, and on 'user side' (eg, netlogon script):

	"%ProgramFiles%\Mozilla Firefox\uninstall\helper.exe" /SetAsDefaultAppUser


But on win10 seems that does not work, users still have 'edge' as default browser.


Why?! Thanks.

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