###
# PowerShell script for creating one global group in
# every OU under a defined mainOU.
#
#
# Usage:
# 1. Run the script
# 2. Define the mainOU variable asked for
# 3. Done :-)
#
# Created by Danni Randeris <danni@danniranderis.dk>
###

# Define the name for the main OU
$mainOUName = Read-Host "Please provide your main OU here"


#######################################
## DO NOT CHANGE ANYTHING BELOW HERE ##
#######################################

# Get distinguished name for main OU
$mainOU = (Get-ADOrganizationalUnit -Filter "Name -eq `"$mainOUName`"").DistinguishedName

# Get each department OU under the main OU
$departmentOU = Get-ADOrganizationalUnit -LDAPFilter '(name=*)' -SearchBase $mainOU -SearchScope OneLevel

# Run through all department OU and create groups
$departmentOU | foreach {
    $OUName = $_.Name
    Write-Host "Creating Group under: " $OUName

    New-ADGroup -Name $OUName"_grp" -GroupCategory Security -GroupScope Global -Path $_.DistinguishedName
}