DefaultBrowserSettingEnabled

Control whether the user can set Firefox as the default browser.

When the policy is set to false, the default browser check is disabled and the controls for setting Firefox as the default browser are removed from the preferences. When it is set to true, the default browser check runs at startup and users cannot turn it off.

To suppress the startup check without removing the controls from browser preferences, use the DontCheckDefaultBrowser policy instead.

Values

• Set to true to check whether Firefox is the default browser at startup, and lock the setting.
• Set to false to stop the check, remove the option to make Firefox the default browser, and lock the setting.

Examples

policies.json

{
  "policies": {
    "DefaultBrowserSettingEnabled": false
  }
}

JSON schema

DefaultBrowserSettingEnabled JSON schema

{
  "type": "boolean"
}

Windows (GPO)

Software\Policies\Mozilla\Firefox\DefaultBrowserSettingEnabled = 0x1 | 0x0

macOS

<dict>
  <key>DefaultBrowserSettingEnabled</key>
  <true/> | <false/>
</dict>

Compatibility

Firefox	Firefox ESR	Firefox Enterprise
Available since 154154	Available since 153.1153.1	Available since 154154

CCK2 Equivalent: N/A
OMA-URI: DefaultBrowserSettingEnabled
Preferences Affected: browser.shell.checkDefaultBrowser

See also

• DisableDefaultBrowserAgent policy
• DontCheckDefaultBrowser policy