Configura la funzionalità 'Blocco al primo rilevamento': valore del Registro di sistema DisableBlockAtFirstSeenComputerHKLM\Software\Policies\Microsoft\Windows Defender\Spynet

ID criterio
DisableBlockAtFirstSeen
Ambito
Configurazione computer
Supportato in
Almeno Windows Server 2016 o Windows 10
Origine
Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (versione 1.0)
Categoria
Componenti di Windows › Microsoft Defender Antivirus › MAPS

Registro

DisableBlockAtFirstSeen

REG_DWORDComputer
Valore abilitato
0
Valore disabilitato
1
Applica con .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Spynet]

; Opzioni (usarne solo una)
; Abilitato
"DisableBlockAtFirstSeen"=dword:00000000
; Disabilitato
"DisableBlockAtFirstSeen"=dword:00000001
CMD
:: Opzioni (usarne solo una)

:: Abilitato
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Spynet" /v "DisableBlockAtFirstSeen" /t REG_DWORD /d 0 /f
:: Disabilitato
reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Spynet" /v "DisableBlockAtFirstSeen" /t REG_DWORD /d 1 /f
PowerShell
# Comune: crea la chiave
New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows Defender\Spynet' -Force | Out-Null

# Opzioni (usarne solo una)
# Abilitato
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows Defender\Spynet' -Name 'DisableBlockAtFirstSeen' -PropertyType DWord -Value 0 -Force | Out-Null
# Disabilitato
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows Defender\Spynet' -Name 'DisableBlockAtFirstSeen' -PropertyType DWord -Value 1 -Force | Out-Null