Export Mailboxes in Exchange 2010 Corrupted Items Work-a-round

Written by James McDonald

February 17, 2015

# You get the mailbox sizes
Get-MailboxStatistics -Server MYSBS2011SERVER | where {$_.ObjectClass –eq “Mailbox”} | Sort-Object TotalItemSize –Descending | ft @{label=”User”;expression={$_.DisplayName}},@{label=”Total Size (MB)”;expression={$_.TotalItemSize.Value.ToMB()}},@{label=”Items”;expression={$_.ItemCount}},@{label=”Storage Limit”;expression={$_.StorageLimitStatus}} -auto

# when you do an export with this command and check the resulting file sizes you find some aren't 
# the right size and you can't open them with outlook
New-MailboxExportRequest -Mailbox jamesm -FilePath \\servername\mailbox_export\jamesm20150216.pst

# so run a command to get the failed exports and view the detail and you find
# corrupted items encountered
Get-MailboxExportRequest -Status Failed | Get-MailboxExportRequestStatistics -IncludeReport | Format-List > AllExportReports.txt

# If you look in the mailbox using outlook and find the corrupted items
# they can be either truly corrupt or some weird character sets
# that the mailbox export chokes on

# next step is to do the export but specify the BadItemLimit and AcceptLargeDataLoss
New-MailboxExportRequest -Mailbox jamesm -FilePath \\servername\mailbox_export\jamesm20150216.pst -BadItemLimit 1000 -AcceptLargeDataLoss




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