Configure Windows Defender SmartScreen
- Policy ID
- AllowSmartScreen
- Scope
- Computer Configuration, User Configuration
- Supported on
- Microsoft Edge on Windows 10 or later
- Source
- Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
- Category
- Windows Components › Microsoft Edge
Description
This policy setting lets you configure whether to turn on Windows Defender SmartScreen. Windows Defender SmartScreen provides warning messages to help protect your employees from potential phishing scams and malicious software. By default, Windows Defender SmartScreen is turned on.
If you enable this setting, Windows Defender SmartScreen is turned on and employees can't turn it off.
If you disable this setting, Windows Defender SmartScreen is turned off and employees can't turn it on.
If you don't configure this setting, employees can choose whether to use Windows Defender SmartScreen.
Registry
ComputerHKEY_LOCAL_MACHINE
- EnabledV9REG_DWORD
UserHKEY_CURRENT_USER
- EnabledV9REG_DWORD