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Disable perm item deletion for mailboxes (some or all) under Exchange 2007

Hello.

Read up on this, but all I'm seeing is how to do the opposite..

We're trying to disable permanent deletion of files on a few (if that's not possible, then all) mailboxes. Going to deleted items is ok, but disable perm delete or empty recycling bin

We do back up to tape, but don't want to deal with archiving or any other options - just looking to keep all emails on the server, so users could not permanently delete anything..

Thank you.
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arthurk123
Asked:
arthurk123
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2 Solutions
 
GovvyCommented:
By default, the Recover Deleted Items functionality is only enabled on the Deleted Items folder in a user's private folders. Items that are hard deleted cannot be recovered. To enable the Recover Deleted Items functionality on mail folders other than the Deleted Items folder (for example, for the Sent Items, Drafts, Outbox and Inbox folders), make the following changes to the registry:
1.Start Registry Editor.
2.Locate and then click the following key in the registry:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Exchange\Client\Options3.On the Edit menu, click Add Value, and then add the following registry value:
Value name: DumpsterAlwaysOn
Data type: DWORD
Value data: 1
4.Close Registry Editor.
You can use an administrator's computer or a user's computer to make this change to the registry. After you change the registry, start Outlook, and then click Deleted Item Recovery on the Tools menu. A list of items that were hard deleted during the retention time that is set on the server is displayed.

If you are an administrator, you can set this functionality for all user workstations. To do this, use your computer to change the registry for all user workstations, and then open the affected user's mailbox as an additional mailbox. You can then recover deleted items from the user's mailbox mail folders.

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arthurk123Author Commented:
So there is no way to disable hard-deleting items under Exchange 2007?

I do remember reading about modifying registry on workstations, but want to do this at exchange level

Thanks
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GovvyCommented:
I believe its client side only. You can push the registry item via script to all remote machines or via logon script GPO
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arthurk123Author Commented:
How would this work for clients using OWA...?
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GovvyCommented:
Try this:

http://<OWA_server>/exchange/<mailbox username>/<folder name>/?cmd=showdeleted

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arthurk123Author Commented:
that link is for exchange 2003...

the option for owa 2007 says "You can recover items that were *recently* emptied from your deleted items", it also didn't show a hard-deleted item from inbox..

We also have users accessing via imap


Thanks for your help. It looks like journaling is the only way to accomplish what we're trying to do, so I'll look into that more. Awarding partial points for your help
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arthurk123Author Commented:
Partial points, did not really get an answer on how to do this properly on the Exchange server. Journaling seems to be the most correct way to do this. Thanks

Seems I can't award partial points with only one expert reply.. guess I'm awarding 500.
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