"The messaging interface has returned an unknown error" error message when you create a new e-mail message or forward a message in Outlook 2002 (813517)


The information in this article applies to:

  • Microsoft Outlook 2002, when used with:
    • the operating system: Microsoft Windows XP

SYMPTOMS

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

CAUSE

This issue may occur if all the following conditions exist:
  1. You upgrade to Windows XP.
  2. You install Windows XP to a new folder.
  3. You reinstall Office XP.

RESOLUTION

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:

300551 OL2002: Overview of the Outlook 2002 Public Update: October 4, 2001

Modification Type:MinorLast Reviewed:1/7/2006
Keywords:kberrmsg kbUpdate kbprb KB813517
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