RemoveX500

x500_error

$users = import-csv ~\Documents\FirstBatch.csv


foreach ($u in $users) {
    $mb = get-mailbox ($u.primarysmtpaddress)
    $x500 = $mb.EmailAddresses | where {$_.prefix -like "X500"}
    $x500 | select -ExpandProperty proxyaddressstring | Out-File C:\Users\dds\Documents\x500.txt -Append
    #Write-Output "Before:"
    #$mb.EmailAddresses
    $remove = $x500 | select -ExpandProperty proxyaddressstring
    #$remove = ($mb.Alias)+"@local"
    $remove
    $mb | Set-Mailbox -EmailAddresses @{remove = "$remove"}
    Write-Output "After:"
    $mb.EmailAddresses
}