OL2000: An Encryption Failure Occurs When You Upgrade from Exchange Client 5.0 to Outlook 2000 (264389)



The information in this article applies to:

  • Microsoft Outlook 2000

This article was previously published under Q264389

SYMPTOMS

When you try to open an existing encrypted message or try to send a new encrypted message in Outlook 2000, you may receive the following error message:
File containing security information could not be found.
You receive this error message when you upgrade Microsoft Exchange Client 5.0 to Outlook 2000 or Outlook 2000 Service Release 1 (SR-1).

RESOLUTION

To resolve this problem, obtain the latest service pack for Microsoft Office 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

276367 OFF2000: How to Obtain the Latest Office 2000 Service Pack

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Modification Type:MinorLast Reviewed:10/6/2005
Keywords:kbbug kbfix KB264389