Allow Legacy Session Sharing
Verified with Citrix Workspace App 26.3.10 — updated on July 10, 2026
Supported on: ADMX Migrator encountered a policy that does not have a supportedOn value.
Path in the GPO console
User Configuration\Administrative Templates\Citrix Components\Citrix Workspace\Client Engine Description
Allow session sharing for Program Neighborhood sessions
Registry
HKCU
Software\Policies\Citrix\ICA Client 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: Allow Legacy Session Sharing
; State: Enabled
; Supported on: ADMX Migrator encountered a policy that does not have a supportedOn value.
[HKEY_CURRENT_USER\Software\Policies\Citrix\ICA Client]
"AllowLegacySessionSharing"=dword:00000001More formats (PowerShell, Intune, SCCM)
PowerShell
# Exported from gporais.com
# Policy: Allow Legacy Session Sharing
# State: Enabled
# Supported on: ADMX Migrator encountered a policy that does not have a supportedOn value.
# 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'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'AllowLegacySessionSharing' -Value 1 -Type DWordIntune 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: Allow Legacy Session Sharing
# State: Enabled
# Supported on: ADMX Migrator encountered a policy that does not have a supportedOn value.
# 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
}
$checks = @(
(Test-RegistryValue -Path 'HKCU:\Software\Policies\Citrix\ICA Client' -Name 'AllowLegacySessionSharing' -Expected 1 -Kind DWord)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Allow Legacy Session Sharing
# State: Enabled
# Supported on: ADMX Migrator encountered a policy that does not have a supportedOn value.
# 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'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'AllowLegacySessionSharing' -Value 1 -Type DWordSCCM scripts
# Exported from gporais.com
# Policy: Allow Legacy Session Sharing
# State: Enabled
# Supported on: ADMX Migrator encountered a policy that does not have a supportedOn value.
# 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: Allow Legacy Session Sharing
# State: Enabled
# Supported on: ADMX Migrator encountered a policy that does not have a supportedOn value.
# 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
}
$checks = @(
(Test-RegistryValue -Path 'HKCU:\Software\Policies\Citrix\ICA Client' -Name 'AllowLegacySessionSharing' -Expected 1 -Kind DWord)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Allow Legacy Session Sharing
# State: Enabled
# Supported on: ADMX Migrator encountered a policy that does not have a supportedOn value.
# 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'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'AllowLegacySessionSharing' -Value 1 -Type DWordBuilding a multi-setting collection? Add this setting and generate combined .reg / PowerShell / GPO scripts.