Use PowerShell to Monitor IIS Websites and Application Pools

Monitor-IISAppPoolState.ps1

$Servers = ''
Invoke-Command -ComputerName $Servers {
    Import-Module -Name WebAdministration
    $Websites  = Get-Website
    foreach ($Website in $Websites) 
    {
        $AppPool = $Website.applicationPool
        If ((Get-WebAppPoolState -Name $AppPool).Value -eq 'Stopped') {Start-WebAppPool -Name $AppPool}
        
        $SiteState = $Website.State
        If ($SiteState -eq 'Stopped') {Start-Website -Name $Website.Name}

    }
}