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PreventSmartScreenPromptOverride

Prevent bypassing Microsoft Defender SmartScreen prompts for sites

Supported versions

  • On Windows and macOS since 77 or later

Description

This policy setting lets you decide whether users can override the Microsoft Defender SmartScreen warnings about potentially malicious websites.

If you enable this setting, users can't ignore Microsoft Defender SmartScreen warnings and they are blocked from continuing to the site.

If you disable or don't configure this setting, users can ignore Microsoft Defender SmartScreen warnings and continue to the site.

This policy is available only on Windows instances that are joined to a Microsoft Active Directory ___domain, Windows 10 Pro or Enterprise instances that enrolled for device management, or macOS instances that are that are managed via MDM or joined to a ___domain via MCX.

Supported features

  • Can be mandatory: Yes
  • Can be recommended: No
  • Dynamic Policy Refresh: Yes
  • Per Profile: Yes
  • Applies to a profile that is signed in with a Microsoft account: Yes

Data type

  • Boolean

Windows information and settings

Group Policy (ADMX) info

  • GP unique name: PreventSmartScreenPromptOverride
  • GP name: Prevent bypassing Microsoft Defender SmartScreen prompts for sites
  • GP path (Mandatory): Administrative Templates/Microsoft Edge/SmartScreen settings
  • GP path (Recommended): N/A
  • GP ADMX file name: MSEdge.admx

Example value

Enabled

Registry settings

  • Path (Mandatory): SOFTWARE\Policies\Microsoft\Edge
  • Path (Recommended): N/A
  • Value name: PreventSmartScreenPromptOverride
  • Value type: REG_DWORD

Example registry value

0x00000001

Mac information and settings

  • Preference Key name: PreventSmartScreenPromptOverride
  • Example value:
<true/>

See also