Get Servers and their OS

Get-ServerOS.ps1

function Get-ServerOS{
    
    [CmdletBinding()]
    param(
        [Parameter(Mandatory=$true)]
        [string]$Server

    )
    Get-ADComputer -Filter {Name -eq $Server} -Properties Name,OperatingSystem,Enabled -ResultSetSize 1000000 |
     Where-Object {$_.OperatingSystem -like "Windows Server*"} | Select-Object Name,Enabled,OperatingSystem |
      Sort-Object Name
}