How to deploy Firefox Browser with Group Policy

I previously showed how to deploy Chrome with group policy (GPO) and I felt bad about it… To repair this infamy I will show how to do the same but with Mozilla Firefox.

I made it works for Workstations and for Users who doesn't have Administrator rights.

Download msi file

First thing first we need to download msi file. In Enterprise environment I recommend to download Firefox ESR (Extended Support Release). (Read this note : Firefox Extended Support Release).

Firefox Download page

Put the Firefox Setup 78.1.0esr.msi file to the NETLOGON share of your DC :

Create Group Policy Object

Open Active Directory Users and Computers :

Run Active Directory Users and Computers

Move Computers to OU (Organizational Unit) :

Open Group Policy Manager :

Create GPO :

Give a name to the new GPO :

Edit the GPO :

Go to Computer Configuration > Policies > Software Settings > Software Installation > Right click > New > Package...

Select the Firefox Setup 78.1.0esr MSI package :

Let Assigned as deployment method :

Errors

As for Chrome it didn't work and I could see the same list of errors inside Event Viewer

The assignment of application Mozilla Firefox from policy install failed. The error was : %%1274

The removal of the assignment of application Mozilla Firefox from policy Deploy - Firefox failed. The error was : %%2

Failed to apply changes to software installation settings. The installation of software deployed through Group Policy for this user has been delayed until the next logon because the changes must be applied before the user logon. The error was : %%1274