This settings controls whether Network Protection is allowed to be configured into block or audit mode on Windows Server.: registry value AllowNetworkProtectionOnWinServerComputerHKLM\Software\Policies\Microsoft\Windows Defender\Windows Defender Exploit Guard\Network Protection

Policy ID
AllowNetworkProtectionOnWinServer
Scope
Computer Configuration
Supported on
At least Windows Server 2016, Windows 10 Version 1709
Source
Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category
Windows Components › Microsoft Defender Antivirus › Microsoft Defender Exploit Guard › Network Protection

Registry

AllowNetworkProtectionOnWinServer

REG_DWORDComputer
Enabled value
1
Disabled value
0
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Windows Defender Exploit Guard\Network Protection]

; Options (use only one)
; Enabled
"AllowNetworkProtectionOnWinServer"=dword:00000001
; Disabled
"AllowNetworkProtectionOnWinServer"=dword:00000000
CMD
:: Options (use only one)

:: Enabled
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Windows Defender Exploit Guard\Network Protection" /v "AllowNetworkProtectionOnWinServer" /t REG_DWORD /d 1 /f
:: Disabled
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Windows Defender Exploit Guard\Network Protection" /v "AllowNetworkProtectionOnWinServer" /t REG_DWORD /d 0 /f
PowerShell
# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows Defender\Windows Defender Exploit Guard\Network Protection' -Force | Out-Null

# Options (use only one)
# Enabled
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows Defender\Windows Defender Exploit Guard\Network Protection' -Name 'AllowNetworkProtectionOnWinServer' -PropertyType DWord -Value 1 -Force | Out-Null
# Disabled
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows Defender\Windows Defender Exploit Guard\Network Protection' -Name 'AllowNetworkProtectionOnWinServer' -PropertyType DWord -Value 0 -Force | Out-Null