BizTalk 2016 CU5 - WinSCP v5.13.1 Powershell installation script (courtesy of Thomas Canter, edited by me)

winscp-5.13.1-install-biztalk2016-cu5.ps1

Param([Parameter(Mandatory=$true)][string]$downloadNoGetTo)
$Continue = $true
$downloadNoGetToExists = Test-Path $downloadNoGetTo
if (-not $downloadNoGetToExists)
{
    New-Item -Path $downloadNoGetTo -ItemType "Directory"
}
if (-not $downloadNoGetToExists)
{
    $Continue = $false
    Write-Host "An attempt to use the " $downloadNoGetTo " directory for a download target failed"
}
if ($Continue)
{
    $bizTalkInstallFolder = (Get-Item Env:BTSINSTALLPATH).Value
    if (-not $bizTalkInstallFolder)
    {
        $bizTalkInstallFolder = (get-itemPropertyValue 'HKLM:\SOFTWARE\Microsoft\BizTalk Server\3.0' -Name 'InstallPath')
        if (-not $bizTalkInstallFolder)
        {
            $bizTalkInstallFolder = "C:\Program Files (x86)\Microsoft BizTalk Server 2016\\"
        }
    }
    $bizTalkInstallFolderExists = Test-Path $bizTalkInstallFolder
    if (-not $bizTalkInstallFolderExists)
    {
        $Continue = $false
        Write-Host "The BizTalk Installation was not found by inspecting the enviornment or registry."
    }
if ($Continue)
    {
        #Download NuGet
        $sourceNugetExe = "https://dist.nuget.org/win-x86-commandline/latest/nuget.exe"
        Write-Host “Downloading Nuget from ” $sourceNugetExe
        $targetNugetExe = "$downloadNoGetTo\nuget.exe"
        Invoke-WebRequest $sourceNugetExe -OutFile $targetNugetExe
        $targetNugetExeExists = Test-Path $targetNugetExe
        if (-not $targetNugetExeExists)
        {
            $Continue = $false
            Write-Host "The download of the Nuget EXE from " $sourceNugetExe " did not succeed"
        }
        if ($Continue)
        {
            #Download the right version of WinSCP
            Write-Host "Downloading WinSCP from NuGet " + $sourceNugetExe
            Invoke-Expression "$targetNugetExe Install WinSCP -Version 5.13.1 -OutputDirectory $downloadNoGetTo"
            $WinSCP = "$downloadNoGetTo\WinSCP.5.13.1\tools\WinSCP.exe"
            $WinSCPDll = "$downloadNoGetTo\WinSCP.5.13.1\lib\net\WinSCPnet.dll"
            $WinSCPExists = Test-Path $WinSCP
            $WinSCPDLLExists = Test-Path $WinSCPDll
            if (-not $WinSCPExists -or -not $WinSCPDLLExists)
            {
                $Continue = $false
                Write-Host "WinSCP 5.13.1 was not properly downloaded"
            }
            if ($Continue)
            {
                #Copy WinSCP items to BizTalk Folder
                Write-Host "Copying WinSCP Nuget to BizTalk Folder"
                Copy-Item $WinSCP $bizTalkInstallFolder
                Copy-Item $WinSCPDll $bizTalkInstallFolder
                $WinSCPBTSExists = Test-Path "$bizTalkInstallFolder\WinSCP.exe"
                $WinSCPDLLBTSExists = Test-Path "$biztalkInstallFolder\WinSCPnet.dll"
                if (-not $WinSCPBTSExists)
                {
                    $Continue = $false
                    Write-Host "The WinSCP.exe file was not properly copied to the target folder " $bizTalkInstallFolder
                }
                if (-not $WinSCPDLLBTSExists)
                {
                    $Continue = $false
                    Write-Host "The WinSCPnet.exe file was not properly copied to the target folder " $bizTalkInstallFolder
                }
            }
        }
    }
}
if (-not $Continue)
{
    Write-Host "Something went wrong during installation and the installation is not working"
    Write-Host "Please inspect the errors above and resolve them"
}
else
{
    Write-Host "WinSCP has been properly installed for BizTalk's SFTP Adapter"
}