Allow authentication in private browsing

Supported on: Firefox 77 or later, Firefox 68.9 ESR or later

Registry

HKLM Software\Policies\Mozilla\Firefox\Authentication

HKCU Software\Policies\Mozilla\Firefox\Authentication

Value name: PrivateBrowsing

Enabled: PrivateBrowsing = 1

Disabled: PrivateBrowsing = 0

Description

If this policy is enabled, integrated authentication is used in private browsing. If this policy is disabled or not configured, integrated authentication is not used in private browsing.