Get-ADComputerSimplified.ps1

$AdComputerFilter = 'DNSHostName','lastLogon','lastlogontimestamp','operatingSystem','operatingSystemVersion','whenChanged','whenCreated'

$SelectObjectFilter = @(
            'DNSHostName',
            @{name='lastLogon';e={[datetime]::FromFileTime($PSItem.'lastLogon') }},
            @{name='lastLogontimestamp';e={[datetime]::FromFileTime($PSItem.'lastLogontimestamp') }},
            'operatingSystem','operatingSystemVersion','whenCreated','whenChanged','DistinguishedName',
            @{name='InUse';e={''}},
            @{name='CurrentAccessList';e={''}},
            @{name='Applications';e={''}},
            @{name='SystemUpdate';e={''}},
            @{name='PM';e={''}},
            @{name='TO';e={''}}
            )

$domains = @(
    @{
        Name = 'contoso.com'
        Properties =@{
            Server = 'pdc1.contoso.com' 
            Credential = Get-Credential
            SearchBase ='OU=Servers,OU=Computers,DC=contoso,DC=com'
            Filter ='*'
        }
     },
     @{
        Name = 'farbikam.com'
        Properties =@{
            Server = 'pdc1.fabrikam.com' 
            Credential = Get-Credential
            SearchBase ='OU=Servers,OU=Computers,DC=fabrikam,DC=com'
            Filter ='*'
        }
     }
)


$AllComputers = $domains | ForEach-Object {
    $domainProperties = $PSItem.Properties
    Get-ADComputer @domainProperties -Properties $AdComputerFilter  | Select-Object  $SelectObjectFilter 

}

$FolderPath = 'D:\AdminTools\ServersInAD'
New-Item -ItemType directory -Path $FolderPath -force
$Allcomputers| Export-Csv -Path (Join-Path $FolderPath -ChildPath Allcomputers.csv) -Delimiter ',' -NoTypeInformation