Retry Installation for Approved application using PowerShell

I wrote a post on What’s new in application requests in Configuration Manager 1906 over at 4sysops.com https://4sysops.com/archives/whats-new-in-application-requests-in-sccm-1906/ One of the things that is new i the possibility to Retry an Installation if it fails or is uninstalled manually for example.

In the post over at 4Sysops I had three sample scripts on how to Create, Approve and Deny application requests using PowerShell so it could be automated. I got a question the other day if you can do a Retry Install as well using PowerShell and of course we can. Here is a PowerShell script to achieve that.

Sample command line: Powershell.exe -executionpolicy bypass -file RetryAppinstall.Ps1 “W101test120” “7-zip 18.06”

The script:

[CmdletBinding()]
Param(
    [string]$MachineName,
    [string]$AppName
  )

Import-Module "$($ENV:SMS_ADMIN_UI_PATH)\..\ConfigurationManager.psd1"
$SiteCode = (Get-WmiObject -Namespace root\sms -Query 'SELECT SiteCode FROM SMS_ProviderLocation').SiteCode
Set-Location "$($SiteCode):"
$NameSpace ="ROOT\SMS\site_$($SiteCode)"

$AppID = (Get-CMApplication -Name "$AppName").ModelName
$SMSID = (Get-CMDevice -Name "$MachineName").SMSID

$reqObj = Get-WmiObject -Namespace $NameSpace -Class SMS_UserApplicationRequest | Where {$_.ModelName -eq $AppID -and $_.RequestedMachine -eq $MachineName}
$reqObjPath = $reqObj.__PATH

Invoke-WmiMethod -Path $reqObjPath -Name RetryInstall

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