Exchange 2010, 2013 PowerShell Maibox Import Commands

New-MailboxImportRequest  -Mailbox username  -FilePath \\server\pst\filename.pst

This command imports the PST file into the user’s mailbox. Large PST files can fail due to corrupt data on the mailbox.

New-MailboxImportRequest  -Mailbox username -FilePath \\server\pst\filename.pst -AcceptLargeDataLoss -BadItemLimit unlimited

This command imports the PST file into the user’s mailbox and bypasses any corrupt items in the mailbox.

Get-MailboxImportRequest | Get-MailboxImportRequestStatistics

This command allow you to view the status of your PST imports.