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Exchange 2016 - Sent Items -MessageCopyForSentAsEnabled $True

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Question

Monday, March 2, 2020 2:20 PM

Hi, 

We use Exchange 2016 CU12 

Shared Mailbox are mapped to the Users Outlook 2016 with automapping

If a user sends a Mail from the Shared Mailbox the Mail will be placed in

Sent Items on the Shared Mailbox and

the Sent Items in the User Mailbox

We like dont like this, The Mail should be placed only in the Sent Items on the **Shared Mailbox. **

How can i do this?

Kind regards, 

Adrian

All replies (7)

Monday, March 2, 2020 5:32 PM

Check given solution here,

/en-us/exchange/troubleshoot/shared-mailboxes/sent-mail-is-not-saved

/en-us/exchange/troubleshoot/shared-mailboxes/sent-mail-is-not-saved

This additional information are also useful,

/en-us/powershell/module/exchange/mailboxes/Set-MailboxSentItemsConfiguration?redirectedfrom=MSDN&view=exchange-ps

https://community.spiceworks.com/topic/1452959-shared-mailbox-sent-mail-to-be-save-in-sent-items-of-shared-mailbox

Monday, March 2, 2020 6:12 PM

Chris

Tuesday, March 3, 2020 8:35 AM

Hi adrian reinhard,

By default, when you send as the shared mailbox, mails will not exist in the Sent Items of shared mailbox, just in Sent items of your mailbox. 

  1. When you unticked the "save copies of messages in sent items folder" as Chris post, mails will not be saved in Sent items of the two mailboxes.

  2. Previously, there was a command Set-MailboxSentItemsConfiguration name -SendAsItemsCopiedTo SenderAndFrom can set Outlook to save the mail in both mailboxes. But not available for Exchange2013 and later.

  3. Instead, we can now use Set-Mailbox name –MessageCopyForSendOnBehalfEnabled $true to do the same thing. I think you have set it to ture once. 

  4. Based on your need, you can go to regedit-HKEY_CURRENT_USER\Software\Microsoft\Office\x.0\Outlook\Preferences, add a DWORD named DelegateSentItemsStyle and set its value to 1. Then mail only be saved at shared mailbox.

So, you have two options to choose:

1. unticked the"save copies of messages in sent items folder", keeping MessageCopyForSendOnBehalfEnabled to true.

2. use EMS to set –MessageCopyForSendOnBehalfEnabled to false and add the DWORD on your computer.(If you don't set it to false, it seems two same messages will exist in Sent items of shared mailbox)

Reference link:/en-us/exchange/troubleshoot/shared-mailboxes/sent-mail-is-not-saved

Regards,

Eric Yin

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Thursday, March 5, 2020 1:42 PM

Hi Eric, 

Thanks alot for your informations. 

Right now - DelegateSentItemsStyle is set on 0

also this is set  Set-Mailbox name –MessageCopyForSendOnBehalfEnabled $true

If i change - DelegateSentItemsStyle to 1

Outlook Mails remaining in the Outbox

https://support.microsoft.com/en-us/help/2703723/email-remains-in-the-outbox-when-you-use-the-delegatesentitemsstyle-re

Do you know this Problem? - i have this problem not in every Mailbox in some it works and in some Mailboxes the Mail remains in the Outbox

Thanks alot, 

Tuesday, March 10, 2020 8:10 AM

Hi adrian reinhard,

You mean for some users,  the messages still exist in his "Sent items"? 

As I said, in my lab, when set MessageCopyForSentAsEnabled to true and add the dword with "1", I got two same messages in the shared mailbox's Sent Items. No messages found in the user's Sent items.

There should be something wrong with your settings. 

Besides, have you checked the different paths of registry for different Outlook versions?

Regards,

Eric Yin

Please remember to mark the replies as answers if they helped. If you have feedback for TechNet Subscriber Support, contact [email protected].

Tuesday, March 17, 2020 1:30 AM

Hi, I'm here to confirm with you if your issue has been resolved. If the problem is successfully solved, you can share your solution and mark them or the helpful reply as answer, this will make answer searching in the forum easier and be beneficial to other community members as well.

Regards,

Eric Yin

Please remember to mark the replies as answers if they helped. If you have feedback for TechNet Subscriber Support, contact [email protected].

Tuesday, April 7, 2020 8:29 AM

Hi, I'm here to confirm with you if your issue has been resolved. If the problem is successfully solved, you can share your solution and mark them or the helpful reply as answer, this will make answer searching in the forum easier and be beneficial to other community members as well.

Regards,

Eric Yin

Please remember to mark the replies as answers if they helped. If you have feedback for TechNet Subscriber Support, contact [email protected].