How to check and change the Deleted Item Retention Period on Exchange server 2010?

I just realised that the Deleted Item Retention Period on the Exchange Server 2010 standard is only 14 days.
(It was 30 days on the Small Business Server 2011 that has Exchange 2010 on it - which made me think that this period is longer)

I would like to change this default to at least 30 days on "regular" (non sbs) Exchange.

How can I check what is the Deleted Item Retention Period currently set up to on the Exchange server that was supported by previous IT personnel?
 
How can I extend the Deleted Item Retention Period for all server (not specific mailbox) on "regular" Exchange 2010?
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pyotrekAsked:
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IvanConnect With a Mentor System EngineerCommented:
ops, that is for 2013.

For exchange 2010, it is: Set-MailboxDatabase -Identity MDB2 -DeletedItemRetention 30
Just change Database Identity.

Regards,
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IvanConnect With a Mentor System EngineerCommented:
Hi there,

to increase the deleted item retention period for all user mailboxes in the organization.

Get-Mailbox -ResultSize unlimited -Filter {(RecipientTypeDetails -eq 'UserMailbox')} | Set-Mailbox -RetainDeletedItemsFor 30

To check current settings:
Get-Mailbox <Name> | FL RetainDeletedItemsFor
or
Get-Mailbox -ResultSize unlimited -Filter {(RecipientTypeDetails -eq 'UserMailbox')} | FL Name,RetainDeletedItemsFor

Regards,
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pyotrekAuthor Commented:
Fantastic - thanks a lot
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pyotrekAuthor Commented:
spriggan13:
Could you list here commands for exchange 2007, 2010 and 2013?
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IvanSystem EngineerCommented:
Hi,

for 2007 it is almost same thing.

http://technet.microsoft.com/en-us/library/aa997206(v=exchg.80).aspx

Set-MailboxDatabase <database_name> -DeletedItemRetention 7.00:00:00

You can do it via GUI as well :)

Regards
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