How to import and export pst files in Exchange 2010 SP1
Start Microsoft Exchange Mailbox Replication service
Grant Exchange Trusted Subsystem Security Group Full Control permissions on the folder where the PST files
New-RoleGroup "Mailbox Import Export Group" -Roles "Mailbox Import Export"
Add-RoleGroupMember "Mailbox Import Export Group" -Member "Administrator"
Import:
New-MailboxImportRequest -Mailbox testuser -FilePath \\servername\PST\Outlookold.pst
Check import status:
Get-MailboxImportRequest | Format-List Name,Mailbox,Status
Remove request:
Remove-MailboxImportRequest testuser\mailboximport
Export:
New-MailboxExportRequest -Mailbox testuser -Filepath "\\servername\PST\Outlook.pst"
Check export status:
Get-MailboxExportRequest
