Recycle all application pools on a server
Write-Host ""
Write-Host "Starting App Pool Recycle...." -ForegroundColor Magenta
& $env:windir\system32\inetsrv\appcmd list apppools /state:Started /xml | & $env:windir\system32\inetsrv\appcmd recycle apppools /in
Write-Host "Recycle Complete" -ForegroundColor Magenta
Write-Host ""