New-MailboxExportRequest - All mailboxes between defined range

Question

Environment: Exchange 2010, Update Rollup 6 for Exchange Server
2010 SP1
I am looking over the knowledge base for this cmdlet (http://technet.microsoft.com/en-us/library/ff607299.aspx) and I'm unable to determine if I can use this for all mailboxes on
all of our databases.
We had an issue with our mail archiving system and they were not able to capture all of the emails between 8/8/2013 and 8/14/2013. The messages are still on the exchange server for the time being. So I want to export that range into a network share in case
anyone comes to us asking for an email between those dates. We are essentially making our own copy to "CYA."
What I see in ever google result that uses the above command is it being used to export one mailbox. Can anyone help me with the syntax on the cmdlet to capture everyone between the dates above?

Answer 1

Hello Toobar,
Here is solution for you........
Step 1: Add the Mailbox Import Export Role to a Role Group .
New-ManagementRoleAssignment -Name "Import Export_YourGroupName" -SecurityGroup "YourGroupName" -Role "Mailbox Import Export"
http://technet.microsoft.com/en-us/library/ee633452(v=exchg.141).aspx
Step 2 :  Create the  Mailboxes.csv file , include all user's mailbox Alias in this file as below  and save in C: drive ( path may be different)
Alias
user1
user2
Step 3:   Create the Shared folder (ex -
\\server01\PSTShare ) and grant read/write permission to the group Exchange Trusted Subsystem to the network share where you'll export  mailboxes.
Step 4:  save file below script as Export.ps1 in C: drive ( path may be different)
$mailboxes=import-csv c:\mailboxes.csv
foreach($mailbox in $mailboxes)
New-MailboxExportRequest -Mailbox $mailbox.alias -ContentFilter {(Received -lt "08/15/2013") -and (Received -gt "08/07/2013")} -FilePath "\\server01\PSTShare\$mailbox.alias.pst"
step 5 : Go to EMS , C drive  and run the  .\export.ps1  script.
it will export all mailbox's included in  mailboxes.csv list.
You are done .
Cheers  !