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## Update Firefox from Windows Command Line

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Dear all Maybe, someone is able to help me out here:

We're supporting several companies with the following setup: User's are working with an office computer. However, they are also able to work from home via VPN and RDP. Folder redirection is enabled and directs to a network drive.

Since Firefox usually only updates while the application is running, we regularly face the issue where the Firefox profile wasn't able to load on the office PC because it was opened with a more actual version (the one from the Remote Desktop server) earlier.

Is there a way to update Firefox without launching the application first? Preferably from command line so it could become part of the logon script? All I found which looks helpful is the section "Service Command Line Parameters" in https://wiki.mozilla.org/Windows_Service_Silent_Update. However, I wasn't able to get it working so far.

### All Replies (1)

After a couple of try-and-error attempts, I was finally able to figure a way to get this sorted. It's maybe not very elegant, but working. Here's how in case someone with the same problem stumbles across this post:

1) Download actual Firefox version from the net locally a) create a PowerShell script on your server - preferrably in a location designated for GPO files - with content: $client = new-object System.Net.WebClient$client.DownloadFile("https://download.mozilla.org/?product=firefox-msi-latest-ssl&os=win64&lang=de",".\firefox.msi")

b) create a scheduled task to run this script daily

2) Update workstations a) create a batch file - preferrably in the same location like the PowerShell script - with content: msiexec /i \\path\to\firefox.msi /qn

b) create a GPO executing the batch file at the start of the computer (logon script won't work because admin credentials are needed for execution: Computer Configuration > Policies > Windows Settings > Scripts > Startup

3) Update Terminal Server create a scheduled task to run daily - preferrably right after the download in 1)

Programm: msiexec – arguments: /i \\[Servername]\Scripts\FirefoxUpdater\firefox.msi /qn – Start in: \\path\to\folder

go4spam மூலமாக திருத்தப்பட்டது