Do not allow desktop launch when InitialProgram setting is missing or empty in ICA file

No direct Policy CSP / OMA-URI mapping for this policy. Use the Intune Remediation tab, or ingest the ADMX in Intune.

# === Detection script ===
# Exported from gporais.com
# Policy: Do not allow desktop launch when InitialProgram setting is missing or empty in ICA file
# 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' -Name 'EmptyInitialProgramLaunchRestrictionEnabled' -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: Do not allow desktop launch when InitialProgram setting is missing or empty in ICA file
# 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'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'EmptyInitialProgramLaunchRestrictionEnabled' -Value 1 -Type DWord

# Exported from gporais.com
# Policy: Do not allow desktop launch when InitialProgram setting is missing or empty in ICA file
# 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: Do not allow desktop launch when InitialProgram setting is missing or empty in ICA file
# 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' -Name 'EmptyInitialProgramLaunchRestrictionEnabled' -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: Do not allow desktop launch when InitialProgram setting is missing or empty in ICA file
# 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'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'EmptyInitialProgramLaunchRestrictionEnabled' -Value 1 -Type DWord