OmerMicrosoft

#Get Domain Controllers for current domain
$DCs = Get-ADGroupMember "Domain Controllers"
#Initiate the clients array
$Clients = @()
Foreach ($DC in $DCs) {
    #Define the netlogon.log path
    $NetLogonFilePath = "\\" + $DC.Name + "\C$\Windows\debug\netlogon.log"
    #Reading the content of the netlogon.log file
    try {$NetLogonFile = Get-Content -Path $NetLogonFilePath -ErrorAction Stop}
    catch {"Error reading $NetLogonFilePath"}

OmerMicrosoft

#Get Installed Roles on each Domain Controller
$DCsInForest = (Get-ADForest).Domains | % {Get-ADDomainController -Filter * -Server $_}
$DCsRolesArray = @()
foreach ($DC in $DCsInForest) {
    $DCRoles=""
    $Roles = Get-WindowsFeature -ComputerName $DC.HostName | Where-Object {$_.Installed -like "True" -and $_.FeatureType -like "Role"} | Select DisplayName
    foreach ($Role in $Roles) {
        $DCRoles += $Role.DisplayName +","
    }
    try {$DCRoles = $DCRoles.Substring(0,$DCRoles.Length-1)}