How to move exchange 2003 server to exchange 2007 server from power shell
Get-Mailbox –Server "Exchange 2003 server" | Move-Mailbox –TargetDatabase
"Exchange 2007 server\Storage Group\Databasename"
Get-Mailbox –Server "Exchange 2003 server" | Move-Mailbox –TargetDatabase
"Exchange 2007 server\Storage Group\Databasename"