#output to file only exchange 2003 servers
$list = Get-ExchangeServer where {$_.IsExchange2007OrLater -eq $False} `
%{gwmi -co $_ -namespace "root\MicrosoftExchangeV2" -query "SELECT * FROM Exchange_mailbox WHERE DateDiscoveredAbsentInDS IS NOT NULL"}
$list format-Table MailboxDisplayName,ServerName,StorageGroupName,StoreName -autosize out-file 2003_Mailbox.txt