Article ID: 2644144 - View products that this article applies to.
Consider the following scenario:
In this scenario, the email message is marked as Read. However, the read receipt is not sent to the sender unless the receiver marks the email message as Read by expanding the conversation and clicking on the unread email message.
This issue occurs because the Exchange server uses an incorrect logic when it sets the read state for email messages.
To resolve this issue, install the following update rollup:
(https://support.microsoft.com/kb/2661854/ )Description of Update Rollup 2 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 conversation in Outlook, visit the following Microsoft website:
General information about conversation in OutlookFor more information about message options, visit the following Microsoft website:
General information about message optionsFor more information about the Set-MailboxMessageConfiguration cmdlet, visit the following Microsoft website:
General information about the Set-MailboxMessageConfiguration cmdlet
Article ID: 2644144 - Last Review: April 16, 2012 - Revision: 1.0