In Exchange 2010 SP2 RU4 we got a new function to redirect “Sent Items” from the Exchange Server. You can read my blogpost about it here.

Unfortunately we don’t have this functionality with “Deleted Items”. The only way to control where they are placed are with the “DelegateWasteBasketStyle” registry tweak.

In Outlook 2013 you have to create the key yourself here:

DWORD: DelegateWastebasketStyle
Value: 4


This can be done with a GPO

Now when you delete a mail from the shared mailbox it will be placed in the shared mailbox “Deleted Items”.

The downside of this setting comes here.

If users have given each other Author permissions on their calendars, meaning that they can delete their own calendar entries – they will now recive this when they try to delete one.


User receives a: Could not complete the deletion. The items may have been already deleted og moved.

Users will now call and ask what is going on. They have the right permissions, but get this error.

What did we tell Outlook to do with the DelegateWastebasketStyle?

To place the deleted items in the Mailbox from where it was deleted. The users need to have at least “Author” permission on the Deleted Items folder.

This can be done with:

Add-MailboxFolderPermission “alias:\Deleted Items” -User Alias -AccessRights Author


Now the user can delete his own entry in jje’s calendar.

I don’t think this is a perfect sollution, but as long as it’s not possible to control this from the server side we need to do it this way.

Thanks for reading.
Steen Pedersen

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