Exchange, mailbox

i have exchange 2010 enterprise,

I need to run command in EMS to find which is the largest mailbox in size in my organization

or

list the mailbox with 10  biggest size or run command to list mailboxes with size over 5gb
pramod1Asked:
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timgreen7077Exchange EngineerCommented:
you can run the following cmdlet:

Get-Mailbox -ResultSize Unlimited | Get-MailboxStatistics | Sort-Object TotalItemSize -Descending | Select-Object DisplayName,TotalItemSize -First 30

This will give you the top 30
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pramod1Author Commented:
ok I am running I have 70 exchange servers , wil it search all
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timgreen7077Exchange EngineerCommented:
It will search all mailboxes and output the top 30 largest based on mailbox size.
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pramod1Author Commented:
ok it is still running I will update shortly
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pramod1Author Commented:
it just gave the mail box name and not the size
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pramod1Author Commented:
How can I output to csv file
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timgreen7077Exchange EngineerCommented:
you didn't copy it correctly, because it would have also gave you the size. all you have to do is copy and paste. No need to change anything.
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pramod1Author Commented:
I copied correctly and how to put output c drive
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timgreen7077Exchange EngineerCommented:
you can also manually type what I sent you.
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timgreen7077Exchange EngineerCommented:
if output didn't show size then something was wrong. I tested this before I sent it to you.
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timgreen7077Exchange EngineerCommented:
drive doesn't matter. if you don't get this working correctly l, out to csv won't work correctly either.
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timgreen7077Exchange EngineerCommented:
output to csv

Get-Mailbox -ResultSize Unlimited | Get-MailboxStatistics | Sort-Object TotalItemSize -Descending | Select-Object DisplayName,TotalItemSize -First 30 | Export-CSV c:\temp\top30mailboxes.csv
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pramod1Author Commented:
thanks it worked
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pramod1Author Commented:
we have US , UK mailbox servers. we have DAG environment, I ran this command on a North America mailbox server

so it will cover users only from NA domain, am I right?
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timgreen7077Exchange EngineerCommented:
Yes.
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