We are using Outlook 2010 and Exchnage 2013 and are struggling with a strange issue.

We have Published outlook in online mode  through Citrix and user use it to access mails. Some uses have added additional shared  mailboxes in outlook.

When a user tries to send a email or reply to the email that is sent to shared mailbox or when user sends a mail from shared mailbox , the mail is sent fine and the recipient receives it.

However the mail doesn't show in the sent items list for the Shared Mailbox or the Users mailbox.

Everything works on a normal PC where Outlook is running in Cached Mode.

No solution for this??

Hi Kitaab,

Try these out. In earlier versions it was not possible to save shared mailbox sent items with user mailbox as primary, but now its possible.

What is your CU level, is it CU5 and above.

Check if below settings are correctly set. Client\GPO\Regedit etc.

Change where sent e-mail messages are saved when using an Exchange account

By default, a copy of each message that you send is saved in the Sent Items folder.

When you reply to or forward an e-mail message that is saved in any folder other than the Inbox, you can configure Outlook to save a copy of the sent message in the same folder as the original message.

1. On the Tools menu, click Options, and then on the Preferences tab, click E-mail Options.

2. Under Message handling, the Save copies of messages in Sent Items folder check box must be selected.

   

3. Click Advanced E-mail Options.

4. Select the In folders other than the Inbox, save replies with original message check box.

https://support.office.com/en-in/article/Change-where-sent-e-mail-messages-are-saved-bd95ef3b-8c04-466a-8576-d1ce0eabeb2c#bm1

Change the value of DelegateSentItemsStyle to 0 in the registry

• Locate and then select the following registry key: HKEY_CURRENT_USER\Software\Microsoft\Office\<var>x</var>.0\Outlook\Preferences
  Note In this key path, the placeholder <var>x</var>.0represents 15.0 for Outlook 2013, 14.0 for Outlook 2010, 12.0 for Outlook 2007, and 11.0 for Outlook 2003.
• Select the DelegateSentItemsStyle value.
• On the Edit menu, click Modify.
• Type 1, and then click OK.

Email sent using Outlook are not saved to the Sent Items folder

Messages sent from a shared mailbox

Email messages that you send from a shared

For Outlook on Online mode:

There is no resolution to this problem other than to either switch your profile to cached Exchange mode or set the DelegateSentItemsStyle registry value to zero (0).

This setting for the registry already shows 1 

However the sent item doesn't show up in either of the mailboxes. Not in the Primary Mailboxes Sent item or the Shared mailboxes sent item.

This happens only when Outlook on the Terminal server  (Which uses Online Mode for Outllook)

When we run Outlook in Cached Mode on Desktops they do not face this issue.

Hi Kitaab,

What about Outbox(any emails stuck there), does it happen for all users profiles on all TS profile sessions.

yes , the email are sent fine and received fine, however they seem to get stuck in the Outbox of the main mailbox.

I had checked similar thing for office 365 (We have on premise Exchange 2013 )

We already have the registry setting DelegateSentItemsStyle =1 

Any other suggestion

Try to use CentralUniSent utility.

Hi Kitaab,

As mentioned earlier MS article says there is no option:

For Outlook on Online mode:

There is no resolution to this problem other than to either switch your profile to cached Exchange mode or set the DelegateSentItemsStyle registry value to zero (0).

You might try setting the send\receive groups interval to 1min.

Thanks , it is a know issue as i see now and the only way to get this working is using a third part Outlook Plugin. Thanks for all the help guys.

Thanks , it is a know issue as i see now and the only way to get this working is using a third part Outlook Plugin. Thanks for all the help guys.

To be correct, the only way to get this working is using a third-party Exchange tool.

Regards,

Victor

Hi All,

Below is not directly related to the above issue, but worth mentioning for a heads-up on upcoming CU9 update.

If enabled Shared mailboxes will retain a copy of emails sent from the mailbox. You will no longer have to figure out which mailbox member sent an email as the shared mailbox or on behalf of it.

The feature is still coming to our on-premises customers in CU9, but will also be off by default. Admins can make a decision when to turn it on for which shared mailboxes.

Want more control over Sent Items when using shared mailboxes?

http://blogs.technet.com/b/exchange/archive/2015/03/03/want-more-control-over-sent-items-when-using-shared-mailboxes.aspx

Thank you for this. Will share with our Exchange guys.