$myDomain = " DC=ndsedv,DC=de"
$myOU = "Entwicklung"
$myPath = "OU="+$myOU+","+$myDomain 

New-ADOrganizationalUnit -name $myOU -path "$myDomain" -ProtectedFromAccidentalDeletion $false
$testOU = Get-ADOrganizationalUnit -Identity "$myPath" 

New-ADOrganizationalUnit -Name Server -Path $testOU -ProtectedFromAccidentalDeletion $false
New-ADOrganizationalUnit -Name Desktop -Path $testOU -ProtectedFromAccidentalDeletion $false
New-ADOrganizationalUnit -Name Notebook -Path $testOU -ProtectedFromAccidentalDeletion $false
New-ADOrganizationalUnit -Name User -Path $testOU -ProtectedFromAccidentalDeletion $false
New-ADOrganizationalUnit -Name Group -Path $testOU -ProtectedFromAccidentalDeletion $false 

$ServerOU = Get-ADOrganizationalUnit -Identity "OU=Server,$myPath"
$DesktopOU = Get-ADOrganizationalUnit -Identity "OU=Desktop,$myPath"
$NotebookOU = Get-ADOrganizationalUnit -Identity "OU=Notebook,$myPath"
$UserOU = Get-ADOrganizationalUnit -Identity "OU=User,$myPath"
$GroupOU = Get-ADOrganizationalUnit -Identity "OU=Group,$myPath" 

New-ADGroup -Name Marketing -GroupScope Global -Path $groupOU
New-ADGroup -Name HR -GroupScope Global -Path $groupOU
New-ADGroup -Name Sales -GroupScope Global -Path $groupOU
New-ADGroup -Name IT -GroupScope Global -Path $groupOU 

$MarketingGroup = Get-ADGroup -Identity "CN=Marketing,OU=Group,$myPath"
$HRGroup = Get-ADGroup -Identity "CN=HR,OU=Group,$myPath"
$SalesGroup = Get-ADGroup -Identity "CN=Sales,OU=Group,$myPath"
$ITGroup = Get-ADGroup -Identity "CN=IT,OU=Group,$myPath" 

New-ADGroup -Name Essen -GroupScope DomainLocal -Path $groupOU
New-ADGroup -Name Brussel -GroupScope DomainLocal -Path $groupOU
New-ADGroup -Name Ratingen -GroupScope DomainLocal -Path $groupOU 

$EssenGroup = Get-ADGroup -Identity "CN=Essen,OU=Group,$myPath"
$BrusselGroup = Get-ADGroup -Identity "CN=Brussel,OU=Group,$myPath"
$RatingenGroup = Get-ADGroup -Identity "CN=Ratingen,OU=Group,$myPath" 

1..100 | %{ New-ADUser -Name TestUser$_ -Path $userOU}
1..100 | %{ New-ADComputer -Name Desktop$_ -Path $desktopOU}
1..100 | %{ New-ADComputer -Name Notebook$_ -Path $NotebookOU}
1..50 | %{ New-ADComputer -Name Server$_ -Path $ServerOU} 

1..100 | % {
$losgehts = Get-Random(5)
if ($losgehts -eq 1) {Add-ADGroupMember $MarketingGroup -Members TestUser$_ }
if ($losgehts -eq 2) {Add-ADGroupMember $HRGroup -Members TestUser$_ }
if ($losgehts -eq 3) {Add-ADGroupMember $SalesGroup -Members TestUser$_ }
if ($losgehts -eq 4) {Add-ADGroupMember $ITGroup -Members TestUser$_ } 


if ($losgehts -lt 1) {Add-ADGroupMember $EssenGroup -Members TestUser$_ }
elseif ($losgehts -gt 3) {Add-ADGroupMember $BrusselGroup -Members TestUser$_ }
else {Add-ADGroupMember $RatingenGroup -Members TestUser$_ }
}