Policy

Convert warn verdict to block

Network protection inspects network traffic and determines whether it allows or blocks traffic or displays a warning. Disabled (Default): If Not Configured or Disabled, network protection will display a warning for warn verdicts. Enabled: If this setting is Enabled, network protection blocks network traffic instead of displaying a warning.

Policy
Pack Microsoft Windows
Category Windows Components / Microsoft Defender Antivirus / Network Inspection System
Policy ID c155e3f74b9d
Internal name EnableConvertWarnToBlock

Registry

Copy registry mappings

HKLM\Software\Policies\Microsoft\Windows Defender\NIS\EnableConvertWarnToBlock (enabled) = 1
HKLM\Software\Policies\Microsoft\Windows Defender\NIS\EnableConvertWarnToBlock (disabled) = 0

Policy notes

Network protection inspects network traffic and determines whether it allows or blocks traffic or displays a warning. Disabled (Default): If Not Configured or Disabled, network protection will display a warning for warn verdicts. Enabled: If this setting is Enabled, network protection blocks network traffic instead of displaying a warning.

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