Floppy Drives: Deny write access
Verified with Windows 11 25H2 — updated on July 30, 2026
Supported on: At least Windows Vista
Path in the GPO console
Computer Configuration\Administrative Templates\System\Removable Storage Access Description
This policy setting denies write access to the Floppy Drives removable storage class, including USB Floppy Drives. If you enable this policy setting, write access is denied to this removable storage class. If you disable or do not configure this policy setting, write access is allowed to this removable storage class.
Registry
HKLM
Software\Policies\Microsoft\Windows\RemovableStorageDevices\{53f56311-b6bf-11d0-94f2-00a0c91efb8b} Value name: Deny_Write
Enabled: Deny_Write = 1
Disabled: Deny_Write = 0
MDM / Intune (CSP)
./Device/Vendor/MSFT/Policy/Config/ADMX_RemovableStorage/FloppyDrives_DenyWrite_Access_2 Microsoft Learn documentation Mapping data: Microsoft Learn (CC BY 4.0)
Export Builder
BETAConfigure the state, scope and options, then generate .reg, PowerShell, Intune and SCCM outputs — or add the setting to a multi-setting collection.
These exports write the registry — this is not a managed GPO. ⓘ
.reg file
Windows Registry Editor Version 5.00
; Exported from gporais.com
; Policy: Floppy Drives: Deny write access
; State: Enabled
; Supported on: At least Windows Vista
[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\RemovableStorageDevices\{53f56311-b6bf-11d0-94f2-00a0c91efb8b}]
"Deny_Write"=dword:00000001More formats (PowerShell, Intune, SCCM)
PowerShell
# Exported from gporais.com
# Policy: Floppy Drives: Deny write access
# State: Enabled
# Supported on: At least Windows Vista
$path = 'HKLM:\Software\Policies\Microsoft\Windows\RemovableStorageDevices\{53f56311-b6bf-11d0-94f2-00a0c91efb8b}'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'Deny_Write' -Value 1 -Type DWordIntune XML
OMA-URI: ./Device/Vendor/MSFT/Policy/Config/ADMX_RemovableStorage/FloppyDrives_DenyWrite_Access_2
Data type: String
Value:
<enabled/>Intune Remediation
# === Detection script ===
# Exported from gporais.com
# Policy: Floppy Drives: Deny write access
# State: Enabled
# Supported on: At least Windows Vista
function Test-RegistryValue {
param(
[Parameter(Mandatory = $true)][string]$Path,
[Parameter(Mandatory = $true)][string]$Name,
[object]$Expected,
[ValidateSet('String', 'DWord', 'MultiString')][string]$Kind = 'String',
[switch]$Absent
)
try {
$item = Get-ItemProperty -LiteralPath $Path -Name $Name -ErrorAction Stop
} catch {
return $Absent.IsPresent
}
if ($Absent.IsPresent) { return $false }
$actual = $item.$Name
if ($Kind -eq 'DWord') { return ([int64]$actual) -eq ([int64]$Expected) }
if ($Kind -eq 'MultiString') {
$actualValues = @($actual)
$expectedValues = @($Expected)
if ($actualValues.Count -ne $expectedValues.Count) { return $false }
for ($i = 0; $i -lt $expectedValues.Count; $i++) {
if ([string]$actualValues[$i] -ne [string]$expectedValues[$i]) { return $false }
}
return $true
}
return [string]$actual -eq [string]$Expected
}
$checks = @(
(Test-RegistryValue -Path 'HKLM:\Software\Policies\Microsoft\Windows\RemovableStorageDevices\{53f56311-b6bf-11d0-94f2-00a0c91efb8b}' -Name 'Deny_Write' -Expected 1 -Kind DWord)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Floppy Drives: Deny write access
# State: Enabled
# Supported on: At least Windows Vista
$path = 'HKLM:\Software\Policies\Microsoft\Windows\RemovableStorageDevices\{53f56311-b6bf-11d0-94f2-00a0c91efb8b}'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'Deny_Write' -Value 1 -Type DWordSCCM scripts
# Exported from gporais.com
# Policy: Floppy Drives: Deny write access
# State: Enabled
# Supported on: At least Windows Vista
# SCCM Configuration Item guidance:
# Create a Configuration Item of type "Setting: Script".
# Discovery script: use the Detection script below.
# Remediation script: use the Remediation script below.
# Compliance rule: the Discovery script output equals 'Compliant'.
# === Detection script ===
# Exported from gporais.com
# Policy: Floppy Drives: Deny write access
# State: Enabled
# Supported on: At least Windows Vista
function Test-RegistryValue {
param(
[Parameter(Mandatory = $true)][string]$Path,
[Parameter(Mandatory = $true)][string]$Name,
[object]$Expected,
[ValidateSet('String', 'DWord', 'MultiString')][string]$Kind = 'String',
[switch]$Absent
)
try {
$item = Get-ItemProperty -LiteralPath $Path -Name $Name -ErrorAction Stop
} catch {
return $Absent.IsPresent
}
if ($Absent.IsPresent) { return $false }
$actual = $item.$Name
if ($Kind -eq 'DWord') { return ([int64]$actual) -eq ([int64]$Expected) }
if ($Kind -eq 'MultiString') {
$actualValues = @($actual)
$expectedValues = @($Expected)
if ($actualValues.Count -ne $expectedValues.Count) { return $false }
for ($i = 0; $i -lt $expectedValues.Count; $i++) {
if ([string]$actualValues[$i] -ne [string]$expectedValues[$i]) { return $false }
}
return $true
}
return [string]$actual -eq [string]$Expected
}
$checks = @(
(Test-RegistryValue -Path 'HKLM:\Software\Policies\Microsoft\Windows\RemovableStorageDevices\{53f56311-b6bf-11d0-94f2-00a0c91efb8b}' -Name 'Deny_Write' -Expected 1 -Kind DWord)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Floppy Drives: Deny write access
# State: Enabled
# Supported on: At least Windows Vista
$path = 'HKLM:\Software\Policies\Microsoft\Windows\RemovableStorageDevices\{53f56311-b6bf-11d0-94f2-00a0c91efb8b}'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'Deny_Write' -Value 1 -Type DWordBuilding a multi-setting collection? Add this setting and generate combined .reg / PowerShell / GPO scripts.