cls
$cred = Get-Credential
$containers = Get-ADComputer -SearchBase "DC=bank,DC=XXbank,DC=ru" -Filter * -Properties IPv4Address, LastLogonDate, Description |
    Sort-Object Name # компьютеры в домене
    #Where-Object Name -eq PC2071 # один компьютер в домене
Get-ADUser -SearchBase "DC=bank,DC=XXbank,DC=ru" -Filter * |
    Foreach { $h = @{} } { $h.Add($_.SamAccountName, $_.Name) } # берем пользователей, в хэш-таблицу добавляем логины юзеров
$d = Get-Date -Format "dd.MM"
$i = 0

#$test = $true
$test = $false

$log =  [Environment]::GetFolderPath("MyDocuments") + "\lister$d.txt"
if (!$test) { Set-Content -Path $log -Value $null }

foreach ($comp in $containers) {
    $i++

    try {
        $ip = $comp.IPv4Address
        $desc = $comp.Description
        $name = $comp.DNSHostName

        $description = "{0} {1}" -f $d, $ip
        $cname = $comp.Name

        if (Test-Connection -ComputerName $name -quiet) { # проверка хостов на доступность
            $INFO=Get-WmiObject -Class Win32_ComputerSystem -ComputerName $name -Ea Stop
            $login = $INFO.UserName
            if ($login -ne $null) {
                $login = $INFO.UserName.split("\")[-1] # оставляем только логин
                $N = $h[$login] # из хэша делаем выборку по логину, забираем ФИО юзера
                $description += " {0} ({1})" -f $login, $N
            } elseif ($desc -match '( \w+ \([^\)]*\))') { $description += $Matches[1] }

            $INFO2=Get-WmiObject -Class Win32_OperatingSystem -ComputerName $name -Ea Stop
            $inst = $INFO2.InstallDate.Substring(2, 4)
            $boot = $INFO2.LastBootUpTime.Substring(2, 4)
            $ver = $INFO2.Version
            if ($INFO2.Caption -like "*Server*") {
                switch -regex ($ver) {
                    "^5.2." { $os = "2003" }
                    "^6.0.6002" { $os = "2008" }
                    "^6.1.7601" { $os = "2008R2" }
                    "^6.3.9200" { $os = "2012" }
                    "^6.3.9600" { $os = "2012R2" }
                    "^10.0." { $os = "2016" }
                }
            } else {
                switch -regex ($ver) {
                    "^5.1.2600" { $os = "XP" }
                    "^6.1.7601" { $os = "W7" }
                    "^6.2.9200" { $os = "W8" }
                    "^6.3.9600" { $os = "W81" }
                    "^10.0." { $os = "W10." + $ver.Split(".")[2] }
                }
            }
            $bit = $INFO2.OSArchitecture
            if ($bit -ne $null) { $bit = $bit.Substring(0, 2) } else { $bit = 32 }
            $description += " {0} {1} {2}/{3}" -f $os, $bit, $inst, $boot

            "$i. $cname - $description"

            #Invoke-Command -ComputerName $name -ScriptBlock {$OSWMI=Get-WmiObject -class Win32_OperatingSystem;$OSWMI.Description=$args[0];$OSWMI.put() } -ArgumentList($description)
            $INFO.Description = $description
            if (!$test) {
                "$i. $cname - $description" | Out-File -FilePath $log -Append -Encoding Default

                try { $null = $INFO.put() } catch { }

                Set-ADComputer $comp -Description $description -Cred $cred
            }
        } else {
            #$desc = $comp.Item("Description")
            if ($desc) {
                "$i. $cname - $desc - выключен?"
                if (!$test) { "$i. $cname - $desc - выключен?" | Out-File -FilePath $log -Append -Encoding Default }
            } else {
                "$i. $cname - выключен? пишем"
                if (!$test) { Set-ADComputer $comp -Description $description -Cred $cred }
            }
        }
    }

    catch {
        $cname = $comp.Name
        "$i. $cname - выдает ошибку связи!"
        if (!$test) { "$i. $cname - ?" | Out-File -FilePath $log -Append -Encoding Default }
    }
}

if (!$test) {
    $user = "sender@XXbank.ru"
    $pass = "****" | ConvertTo-SecureString -AsPlainText -Force

    $crml = New-Object System.Management.Automation.PSCredential -ArgumentList $user, $pass

    Send-MailMessage -From $user -To admin@XXbank.ru -SmtpServer 192.168.1.25 -Port 25 -Credential $crml -Subject "Check AD $d" -Attachments $log
}