Article ID: 2698571 - View products that this article applies to.
Consider the following scenario:
In the example that was mentioned earlier, the second email message is moved to the Sent Items folder. Additionally, the email message is not delivered later.
Note If the user sends email messages by using Outlook 2010 in Online Mode or by using Outlook Web App, the excess email messages are also not delivered later. However, the second email message is moved to the Outbox folder or to the Drafts folder.
This issue occurs because the Microsoft Exchange Mail Submission service on the Exchange Server 2010 Mailbox server incorrectly handles a certain value that is returned from the Hub Transport server.
To resolve this issue, install the following update rollup:
(http://support.microsoft.com/kb/2706690/ )Description of Update Rollup 4 for Exchange Server 2010 Service Pack 2
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about the Set-ThrottlingPolicy cmdlet, go to the following Microsoft website:
General information about the Set-ThrottlingPolicy cmdletFor more information about Cached Exchange Mode, go to the following Microsoft website:
About Cached Exchange ModeFor more information about how to decide whether to use Cached Exchange Mode or Online Mode, go to the following Microsoft website:
Plan an Exchange deployment in Outlook 2010
Article ID: 2698571 - Last Review: August 14, 2012 - Revision: 2.0