http://blogs.technet.com/benw/archive/2008/06/02/move-mailbox-from-a-csv-import-file.aspxA while back, I had promised to write another post detailing how to use Import-CSV and then run Move-Mailbox against the users in that CSV file. Well, quite a bit of time has passed since then, and getting this figured out proved a little more difficultenCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.technet.com/benw/archive/2008/06/02/move-mailbox-from-a-csv-import-file.aspx#3067153Fri, 06 Jun 2008 21:04:14 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3067153subject: exchange<p>How Microsoft Office Communicator enhances Outlook 2007 functionality Why boot an Exchange server from</p> http://blogs.technet.com/benw/archive/2008/06/02/move-mailbox-from-a-csv-import-file.aspx#3102832Sat, 09 Aug 2008 03:06:13 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3102832zpetersen<p>Are you using SamAccountName and UserPrincipalName in your CSV?</p>