Create a Custom Detection Script for PDF Accessibility Checker (PAC) 2021 (PowerShell)

Microsoft Endpoint Manager Configuration Manager (MEMCM / SCCM) and Microsoft Intune use Detection Rules to determine the presence of Applications & Win32 Apps. The detection rules ensure that application installations only begin to run if the application is not already installed on the device. This article will serve as an informative guide and give you a clear understanding of how to create an updated custom detection script for each new version of PDF Accessibility Checker (PAC) 2021 using PowerShell.

How to Create a Custom Detection Script for PDF Accessibility Checker (PAC) 2021

PDF Accessibility Checker (PAC) 2021 (File Detection Method)

• Install the version of PDF Accessibility Checker (PAC) 2021 you want to deploy on a test box or VM
  • Check out the following post for further details
    • PDF Accessibility Checker (PAC) 2021 Install and Uninstall (PowerShell)
• Open Windows PowerShell ISE by Right-Clicking on Windows PowerShell ISE and selecting Run as Administrator
• Copy the following code into the Windows PowerShell ISE

## Check for PDF Accessibility Checker (PAC) 2021 (File Detection Method)
$PAC2021Exe = (Get-ChildItem -Path "C:\Program Files\PAC_2021\PAC 2021\PAC.exe" -ErrorAction SilentlyContinue)
$PAC2021Exe.FullName
$PAC2021Path = $($PAC2021Exe.FullName).Replace("C:\Program Files\","")
$FileVersion = (Get-Item -Path "$($PAC2021Exe.FullName)" -ErrorAction SilentlyContinue).VersionInfo.FileVersionRaw

## Create Text File with PDF Accessibility Checker (PAC) 2021 File Detection Method
$FilePath = "C:\Windows\Temp\PAC_2021_Detection_Method.txt"
New-Item -Path "$FilePath" -Force
Set-Content -Path "$FilePath" -Value "If([String](Get-Item -Path `"`$Env:ProgramFiles\$PAC2021Path`" -ErrorAction SilentlyContinue).VersionInfo.FileVersionRaw -ge `"$FileVersion`"){"
Add-Content -Path "$FilePath" -Value "Write-Host `"Installed`""
Add-Content -Path "$FilePath" -Value "Exit 0"
Add-Content -Path "$FilePath" -Value "}"
Add-Content -Path "$FilePath" -Value "else {"
Add-Content -Path "$FilePath" -Value "Exit 1"
Add-Content -Path "$FilePath" -Value "}"
Invoke-Item $FilePath

• Click Run Script (F5)
• A text file will open with the PDF Accessibility Checker (PAC) 2021 Detection Method script required to detect the current version of PDF Accessibility Checker (PAC) 2021 that is installed on the device you are running the script from.

Example:

If([String](Get-Item -Path "$Env:ProgramFiles\PAC_2021\PAC 2021\PAC.exe" -ErrorAction SilentlyContinue).VersionInfo.FileVersionRaw -ge "21.0.0.0"){
Write-Host "Installed"
Exit 0
}
else {
Exit 1
}

• Copy the PDF Accessibility Checker (PAC) 2021 Detection Method script content into the Custom Detection Rules (Script)
• Microsoft Endpoint Manager Configuration Manager (MEMCM / SCCM)
  • https://docs.microsoft.com/en-us/mem/configmgr/apps/deploy-use/create-applications#bkmk_detect-script
• Microsoft Intune
  • https://docs.microsoft.com/en-us/mem/intune/apps/apps-win32-add

Always make sure to test everything in a development environment prior to implementing anything into production. The information in this article is provided “As Is” without warranty of any kind.