When you try to view mail items in the People Pane in Microsoft Outlook, you receive the following error message:
There are no items to show in this view.
This issue occurs when the sender's legacyExchangeDN attribute contains an unescaped comma.
Follow the steps in this section carefully. Serious problems might occur if you modify the registry incorrectly. Before you modify it, back up the registry for restoration in case problems occur.
Exit all Microsoft Office applications.
Start Registry Editor.
Locate and click the following registry key:
On the Edit menu, point to New, and then click DWORD Value.
Type MatchContactOnSenderAddress as the name.
Enter 1 for Value data, and then click OK.
On the File menu, click Exit to exit Registry Editor.