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Deploy default profile with userChrome.css to new users
Hello, Mozilla community. I am trying to configure a Firefox ESR installation so that every new user on a computer automatically receives a visual customization (a logo … (read more)
Hello, Mozilla community.
I am trying to configure a Firefox ESR installation so that every new user on a computer automatically receives a visual customization (a logo change on about:home) through userChrome.css and userContent.css files.
My goal is to do this without using Group Policy (GPO) or logon scripts, by only modifying the files in the Firefox installation folder.
Environment:
Firefox Version: Firefox ESR 140.3.0esr
Operating System: Windows 11 Pro
Context: Standalone machine, managed without Active Directory.
My Question:
Is this method of deploying a default profile via installation files (defaults/profile or distribution.ini) still supported in recent versions of Firefox ESR?
Is there an additional step or configuration I am missing for Firefox to recognize and use the bundled profile when creating a user's first profile?
Is there any policy in policies.json that could be interfering or that is required to enable this behavior?
Thank you very much for your help and your time.