Display string when smart card is blocked
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\Windows Components\Smart Card Description
This policy setting allows you to manage the displayed message when a smart card is blocked. If you enable this policy setting, the specified message will be displayed to the user when the smart card is blocked. Note: The following policy setting must be enabled - Allow Integrated Unblock screen to be displayed at the time of logon. If you disable or do not configure this policy setting, the default message will be displayed to the user when the smart card is blocked, if the integrated unblock feature is enabled.
Registry
HKLM
SOFTWARE\Policies\Microsoft\Windows\SmartCardCredentialProvider MDM / Intune (CSP)
./Device/Vendor/MSFT/Policy/Config/ADMX_Smartcard/IntegratedUnblockPromptString 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: Display string when smart card is blocked
; State: Enabled
; Supported on: At least Windows Vista
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\SmartCardCredentialProvider]
"IntegratedUnblockPromptString"=""More formats (PowerShell, Intune, SCCM)
PowerShell
# Exported from gporais.com
# Policy: Display string when smart card is blocked
# State: Enabled
# Supported on: At least Windows Vista
$path = 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\SmartCardCredentialProvider'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'IntegratedUnblockPromptString' -Value '' -Type StringIntune XML
OMA-URI: ./Device/Vendor/MSFT/Policy/Config/ADMX_Smartcard/IntegratedUnblockPromptString
Data type: String
Value:
<enabled/>
<data id="IntegratedUnblockPromptString" value=""/>Intune Remediation
# === Detection script ===
# Exported from gporais.com
# Policy: Display string when smart card is blocked
# 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
}
$checks = @(
(Test-RegistryValue -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\SmartCardCredentialProvider' -Name 'IntegratedUnblockPromptString' -Expected '' -Kind String)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Display string when smart card is blocked
# State: Enabled
# Supported on: At least Windows Vista
$path = 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\SmartCardCredentialProvider'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'IntegratedUnblockPromptString' -Value '' -Type StringSCCM scripts
# Exported from gporais.com
# Policy: Display string when smart card is blocked
# 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: Display string when smart card is blocked
# 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
}
$checks = @(
(Test-RegistryValue -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\SmartCardCredentialProvider' -Name 'IntegratedUnblockPromptString' -Expected '' -Kind String)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Display string when smart card is blocked
# State: Enabled
# Supported on: At least Windows Vista
$path = 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\SmartCardCredentialProvider'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'IntegratedUnblockPromptString' -Value '' -Type StringBuilding a multi-setting collection? Add this setting and generate combined .reg / PowerShell / GPO scripts.