Article ID: 2817852 - View products that this article applies to.
Consider the following scenario:
This issue occurs because the Exchange server fails to detect that the display name conversion is not lossless.
To resolve this issue, install the following update rollup:
(https://support.microsoft.com/kb/2803727/ )Description of Update Rollup 1 for Exchange Server 2010 Service Pack 3
After you apply the update rollup, configure the SimpleDisplayName attribute of the recipient. Then, the To field of the reply message will display the simple display name. Otherwise, the SMTP address is displayed in the To field.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about a similar issue, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/929892/ )The To field of a message in the Sent Items folder displays question marks for Japanese display names, for Chinese display names, or for Cyrillic display names
Article ID: 2817852 - Last Review: May 30, 2013 - Revision: 1.0