Many administrators would like to centrally manage Firefox in the same manner as Internet Explorer group policy. Managing Firefox with a single policy isn't as easy as you would think without requiring thrid-party extensions, such as GPO for Firefox. Since I was implementing this solution within a VDI environment, I wanted to use a single, centrally-managed Firefox policy located on a UNC path. The following solution requires a change to two local files, which points the Firefox application to a UNC path for the "policy" configuration file.
This is also a great way to manage Firefox in a classroom, library, or VDI environment. This has been thoroughly tested with Firefox version 33 and higher.
There are 3 high-level steps:
If you are using RES ONE Workspace, formerly RES Workspace Manager, for application whitelisting, you may find it difficult to use the RES Console log viewer to sift through all of the logs. This is especially true if you have hundreds or thousands of client in learning mode. A client in learning mode logs every application (EXE) that a user launches during a session. In the latest version, every application launch will generate two events: one standard "ALERT" log and one "HASH ALERT" log entry. Here is a screenshot of the RES log:
From Citrix's understatement-of-the-year department: Random Application Fails When Using Standard Image Mode with the "Write Cache on Target Hard Disk" Option
If you're using Windows 7 non-persistent virtual desktops and a write cache disk and facing crashing applications (0xc0000005 "Access Denied"), your problem could likely be a problem with Citrix PVS.