Sent emails not Sent Items folder

[AlexWhite_]

Hello everyone!)

Who knows? When a user sends an email from a shared mailbox, the email gets sent to the shared mailbox, but not to the sent personal mailbox.
Set-Mailbox email address removed for privacy reasons -MessageCopyForSentAsEnabled $False is enabled for a shared mailbox.
What setting does this do in a personal mailbox

[#2]

Hi @AlexWhite_,

the Exchange PowerShell command Set-Mailbox -MessageCopyForSentAsEnabled $False is utilized to adjust the configuration of existing mailboxes.

When this command sets the MessageCopyForSentAsEnabled parameter to $False for a shared mailbox, it signifies that when a user sends an email from this shared mailbox, a copy of the sent email will not be stored in the Sent Items folder of the user's personal mailbox.

To ensure that a copy of the sent email is saved in the Sent Items folder of the user's personal mailbox, you should set the MessageCopyForSentAsEnabled parameter to $True for the shared mailbox. The following PowerShell command accomplishes this:

Set-Mailbox -Identity "SharedMailbox" -MessageCopyForSentAsEnabled $TrueReplace "SharedMailbox" with the actual identity of your shared mailbox.<br /><br />After executing this command, whenever a user sends an email from the shared mailbox, a copy of the sent email will be preserved in the Sent Items folder of both the shared mailbox and the user's personal mailbox.<br /><br /><a href="https://techcommunity.microsoft.com/t5/exchange/set-mailbox-not-working/m-p/2160178" target="_blank" rel="noopener">Set-Mailbox Not Working - Microsoft Community Hub<br /></a>Set-Mailbox (ExchangePowerShell) | Microsoft Learn<br /><br /><br />

Replace "SharedMailbox" with the actual identity of your shared mailbox.

After executing this command, whenever a user sends an email from the shared mailbox, a copy of the sent email will be preserved in the Sent Items folder of both the shared mailbox and the user's personal mailbox.

Set-Mailbox Not Working - Microsoft Community Hub
Set-Mailbox (ExchangePowerShell) | Microsoft Learn

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[#3]

@LeonPavesic 

Set-Mailbox -Identity "SharedMailbox" -MessageCopyForSentAsEnabled $false

If I do this command with $true for a shared box, then 2 copies of the e-mail appear in my “Sent” folder in the shared mailbox. But the "Sent Items" folder in my personal mailbox is also empty.

[#4 · Accepted solution]

@AlexWhite_ 

Reply to myself 😃

If in a registry \HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Preferences\DelegateSentItemsStyle REG_DWORD=1 then there will not be no one copies in "sent items" folder in my user's mailbox
If in a registry REG_DWORD=0 then there will be
there link to description