Primary (Master) Password

Supported on: Firefox 79 or later, Firefox 78.1 ESR or later

Registry

HKLM Software\Policies\Mozilla\Firefox

HKCU Software\Policies\Mozilla\Firefox

Value name: PrimaryPassword

Enabled: PrimaryPassword = 1

Disabled: PrimaryPassword = 0

Description

If this policy is enabled, a primary password is required. If this policy is disabled, the user cannot create a primary password. If this policy is not configured, the user can choose to create a primary password.