#### Windows (GPO)
```
-Software\Policies\Mozilla\Firefox\DisableThirdPartyModuleBlocking = = 0x1 | 0x0
+Software\Policies\Mozilla\Firefox\DisableThirdPartyModuleBlocking = 0x1 | 0x0
```
#### Windows (Intune)
OMA-URI:
Previously you could only set and lock a subset of preferences. Starting with Firefox 81 and Firefox ESR 78.3 you can set many more preferences. You can also set default preferences, user preferences and you can clear preferences.
+**NOTE** There are too many preferences for us to provide documentation on them all. The source file [StaticPrefList.yaml](https://searchfox.org/mozilla-central/source/modules/libpref/init/StaticPrefList.yaml) contains information on many of them.
+
Preferences that start with the following prefixes are supported:
```
accessibility.