Client microphone
Verified with Citrix Workspace App 26.3.10 — updated on July 10, 2026
Supported on: All Citrix Workspace supported platforms
Path in the GPO console
User Configuration\Administrative Templates\Citrix Components\Citrix Workspace\Remoting client devices Description
Use this policy to enable and restrict the remote application or desktop's access to local audio capture devices (microphones).
Registry
HKCU
Software\Policies\Citrix\ICA Client\Engine\Lockdown Profiles\All Regions\Lockdown\Virtual Channels\Audio Value name: EnableAudioInput
Enabled: EnableAudioInput = true,false
Disabled: EnableAudioInput = false
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: Client microphone
; State: Enabled
; Supported on: All Citrix Workspace supported platforms
[HKEY_CURRENT_USER\Software\Policies\Citrix\ICA Client\Engine\Lockdown Profiles\All Regions\Lockdown\Virtual Channels\Audio]
"EnableAudioInput"="true,false"
"EnableAudioInput"=dword:00000001 More formats (PowerShell, Intune, SCCM)
PowerShell
# Exported from gporais.com
# Policy: Client microphone
# State: Enabled
# Supported on: All Citrix Workspace supported platforms
# Warning: In SYSTEM context (the Intune default), HKCU targets the SYSTEM profile. Run this script using the logged-on credentials.
$path = 'HKCU:\Software\Policies\Citrix\ICA Client\Engine\Lockdown Profiles\All Regions\Lockdown\Virtual Channels\Audio'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'EnableAudioInput' -Value 'true,false' -Type String
Set-ItemProperty -Path $path -Name 'EnableAudioInput' -Value 1 -Type DWord Intune XML
No direct Policy CSP / OMA-URI mapping for this policy. Use the Intune Remediation tab, or ingest the ADMX in Intune. Intune Remediation
# === Detection script ===
# Exported from gporais.com
# Policy: Client microphone
# State: Enabled
# Supported on: All Citrix Workspace supported platforms
# Warning: In SYSTEM context (the Intune default), HKCU targets the SYSTEM profile. Run this script using the logged-on credentials.
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
}
$checks = @(
(Test-RegistryValue -Path 'HKCU:\Software\Policies\Citrix\ICA Client\Engine\Lockdown Profiles\All Regions\Lockdown\Virtual Channels\Audio' -Name 'EnableAudioInput' -Expected 'true,false' -Kind String)
(Test-RegistryValue -Path 'HKCU:\Software\Policies\Citrix\ICA Client\Engine\Lockdown Profiles\All Regions\Lockdown\Virtual Channels\Audio' -Name 'EnableAudioInput' -Expected 1 -Kind DWord)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Client microphone
# State: Enabled
# Supported on: All Citrix Workspace supported platforms
# Warning: In SYSTEM context (the Intune default), HKCU targets the SYSTEM profile. Run this script using the logged-on credentials.
$path = 'HKCU:\Software\Policies\Citrix\ICA Client\Engine\Lockdown Profiles\All Regions\Lockdown\Virtual Channels\Audio'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'EnableAudioInput' -Value 'true,false' -Type String
Set-ItemProperty -Path $path -Name 'EnableAudioInput' -Value 1 -Type DWord SCCM scripts
# Exported from gporais.com
# Policy: Client microphone
# State: Enabled
# Supported on: All Citrix Workspace supported platforms
# 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: Client microphone
# State: Enabled
# Supported on: All Citrix Workspace supported platforms
# Warning: In SYSTEM context (the Intune default), HKCU targets the SYSTEM profile. Run this script using the logged-on credentials.
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
}
$checks = @(
(Test-RegistryValue -Path 'HKCU:\Software\Policies\Citrix\ICA Client\Engine\Lockdown Profiles\All Regions\Lockdown\Virtual Channels\Audio' -Name 'EnableAudioInput' -Expected 'true,false' -Kind String)
(Test-RegistryValue -Path 'HKCU:\Software\Policies\Citrix\ICA Client\Engine\Lockdown Profiles\All Regions\Lockdown\Virtual Channels\Audio' -Name 'EnableAudioInput' -Expected 1 -Kind DWord)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Client microphone
# State: Enabled
# Supported on: All Citrix Workspace supported platforms
# Warning: In SYSTEM context (the Intune default), HKCU targets the SYSTEM profile. Run this script using the logged-on credentials.
$path = 'HKCU:\Software\Policies\Citrix\ICA Client\Engine\Lockdown Profiles\All Regions\Lockdown\Virtual Channels\Audio'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'EnableAudioInput' -Value 'true,false' -Type String
Set-ItemProperty -Path $path -Name 'EnableAudioInput' -Value 1 -Type DWord Building a multi-setting collection? Add this setting and generate combined .reg / PowerShell / GPO scripts.