Article ID: 813517 - View products that this article applies to.
When you try to create a new e-mail message or forward a message, you may receive the following error message:
The messaging interface has returned an unknown error. If the problem persists restart Outlook
This issue may occur if all the following conditions exist:
To resolve this issue, obtain and install Outlook 2002 Public Update: October 4, 2001.
For additional information about how to obtain and install Outlook 2002 Public Update: October 4, 2001, click the following article number to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/300551/EN-US/ )OL2002: Overview of the Outlook 2002 Public Update: October 4, 2001
Article ID: 813517 - Last Review: January 7, 2006 - Revision: 1.2