DisableSafeMode

Disable safe mode (Troubleshoot Mode) within the browser.

On Windows, this disables safe mode via the command line as well.

Values

Set to true to disable safe mode. On Windows, this also disables starting in safe mode from the command line.
Set to false to leave safe mode available. This is the same as not setting the policy.

{
  "policies": {
    "DisableSafeMode": true
  }
}

JSON schema

{
  "type": "boolean"
}

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

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

Firefox	Firefox ESR	Firefox Enterprise
Available since 60	Available since 60	Available since 149

On Windows, the Shift key shortcut to enter Troubleshoot Mode at startup can only be disabled using Group Policy.

Windows and macOS only.

CCK2 Equivalent: disableSafeMode
OMA-URI: DisableSafeMode
Preferences Affected: N/A