Connect with us

Hi, what are you looking for?

Citrix XenApp

Using Firefox in an environment with Microsoft roaming profiles

By default, Firefox stores it’s profile cache in "C:\Documents and Settings\yourusername\Application Data\Mozilla\Firefox\Profiles". This can be problematic when using roaming profiles with a limited amount of profile storage space due to quotas. As you add extensions, it grows even bigger. This is a big problem in XenApp/XenDesktop/View and other VDI environments using roaming profiles. You’ll soon start getting errors saying you are almost out of profile storage space or that you have exceeded your profile storage space. Something like this (note I just grabbed this screenshot from a Google Image Search, you would normally see a bunch of Mozilla Firefox related files in there eating up the space):

The solution is to move the profile out of the user folder and into another local folder or onto a network drive/home folder, thus reclaiming the profile storage space. For example, I created "c:\FireFoxProfile" to house the profile. Here is what you need to do to begin using this folder:

1. Edit "C:\Documents and Settings\yourusername\Application Data\Mozilla\Firefox\profiles.ini" in Notepad and change:




What this does is allow you to use an explicit path that you specify for the profile.

2. Change the next line from:




3. Save profile.ini and restart Firefox. You will notice that immediately, the new profile folder is populated. Keep in mind when you open Firefox for the first time, it will be like a brand new install and you will lose all of your bookmarks, extensions, customizations, etc. unless you restore them from the old path.

4. You can delete everything in your old profile path once you have Firefox working in the new profile path. This will immediately reclaim your roaming profile storage space.

NOTE: If deploying to the entire corporation, there are other methods to centrally manage Firefox and control the deployment. This solution is good for the one off users though.

1 Comment

1 Comment

  1. Andrew Newey

    April 7, 2013 at 11:45 PM

    Awesome Jason. Was sick of cleaning out my cache. Will try moving profile out of this standard folder to fix my space probs. Cheers!

Leave a Reply

Your email address will not be published. Required fields are marked *

You May Also Like


Today I would like to go over proper URL redirection when using SSL but first I would like to preface this by describing what...

Citrix Workspace

You can use FIDO2 hardware security keys plugged into your physical desktop over the Citrix HDX remoting protocol for use with virtualized Windows Desktop...

Exchange 2003

A useful Exchange 2003 guide I wrote for a friend’s blog originally but I am posting it here on mine now for your viewing...


In a worst case scenario and all your web servers have failed, what do you do? You could have a standby group of servers... began in 2008 as a way for me to give back to the IT community. This website features the latest news and how-to's on enterprise mobility, security, virtualization, cloud architecture, and other technologies I work with. This website has evolved over time to become a go-to reference hub for these technologies. It receives hundreds of thousands of unique visitors from all over the world each month. More details on the About Me page.
Copyright © 2008-2023