Adds all AzureAD users with a certain license to a group

AzureGroups.ps1

$skus = Get-AzureADSubscribedSku

# Exchange Online E1
$skue1 = ( $skus | where { $_.skupartnumber -eq 'EXCHANGESTANDARD' } ).SkuID

$members = Get-AzureADUser -All $true

foreach($member in $members) {
    if ($member.ImmutableId -eq $null) {
        # Cloud user - skip
        continue
    }

    $userlicenses = $member | Select -ExpandProperty AssignedLicenses

    #Note and add to group if they have an additional E1
    if( $userlicenses | where { $_.Skuid -eq $skue1 } ) {
        # Necessary because Get-ADGroupMember doesn't fetch the UserPrincipalName

        $guid = ([GUID][System.Convert]::FromBase64String($member.ImmutableID)).Guid
        $ADuser = Get-ADUser -Filter "objectGUID -eq '$guid' "
        write-host "Adding user $($ADuser.UserPrincipalName) to group $($member.MailNickName)"
        Add-ADGroupMember -Identity "LIC_E1" -Members $ADuser
    }

}