CCMClean.exe is a powerful, scalpel-like tool for eradicating a corrupt or stubborn Configuration Manager client. However, its use should be reserved for exceptional cases where the standard ccmsetup /uninstall path fails. Always attempt supported methods first, capture logs, and treat CCMClean as a last-resort data-safe nuke.
$ccmcleanPath = ".\ccmclean.exe" if (Test-Path $ccmcleanPath) Write-Host "Stopping CcmExec service..." -ForegroundColor Yellow Stop-Service -Name CcmExec -Force -ErrorAction SilentlyContinue Write-Host "Executing CCMClean in quiet mode..." -ForegroundColor Yellow Start-Process -FilePath $ccmcleanPath -ArgumentList "/q" -Wait -NoNewWindow download ccmclean.exe tool
Write-Host "Verifying cleanup..." -ForegroundColor Cyan if (-not (Test-Path "HKLM:\SOFTWARE\Microsoft\CCM")) Write-Host "Client removed successfully." -ForegroundColor Green else Write-Host "Cleanup incomplete – manual intervention required." -ForegroundColor Red CCMClean