Nega accesso in scrittura per unità fisse non protette da BitLocker: valore del Registro di sistema FDVDenyWriteAccessComputerHKLM\System\CurrentControlSet\Policies\Microsoft\FVE

ID criterio: FDVDenyWriteAccess_Name
Ambito: Configurazione computer
Supportato in: Almeno Windows Server 2008 R2 o Windows 7
Origine: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (versione 1.0)
Categoria: Componenti di Windows › Crittografia unità BitLocker › Unità dati fisse

Registro

FDVDenyWriteAccess

REG_DWORDComputer

HKLM\System\CurrentControlSet\Policies\Microsoft\FVE Chiave corrente

Valore abilitato: 1
Valore disabilitato: 0

Applica con .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Policies\Microsoft\FVE]

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

CMD

:: Opzioni (usarne solo una)

:: Abilitato
reg add "HKLM\System\CurrentControlSet\Policies\Microsoft\FVE" /v "FDVDenyWriteAccess" /t REG_DWORD /d 1 /f
:: Disabilitato
reg add "HKLM\System\CurrentControlSet\Policies\Microsoft\FVE" /v "FDVDenyWriteAccess" /t REG_DWORD /d 0 /f

PowerShell

# Comune: crea la chiave
New-Item -Path 'HKLM:\System\CurrentControlSet\Policies\Microsoft\FVE' -Force | Out-Null

# Opzioni (usarne solo una)
# Abilitato
New-ItemProperty -Path 'HKLM:\System\CurrentControlSet\Policies\Microsoft\FVE' -Name 'FDVDenyWriteAccess' -PropertyType DWord -Value 1 -Force | Out-Null
# Disabilitato
New-ItemProperty -Path 'HKLM:\System\CurrentControlSet\Policies\Microsoft\FVE' -Name 'FDVDenyWriteAccess' -PropertyType DWord -Value 0 -Force | Out-Null