Microsoft KB Archive/223470

= OL2000: Error Message "Corrupted certificate files; certificate importing failed." =

Article ID: 223470

Article Last Modified on 12/2/2005

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APPLIES TO


 * Microsoft Outlook 2000 Standard Edition

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This article was previously published under Q223470



ERROR MESSAGE
When you attempt to import a digital ID certificate, you may receive the following error message:

Corrupted certificate files; certificate importing failed.

-or-

An error has occurred. Unable to import certificate.

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An error occurred while trying to import security information.

NOTE: Microsoft Office 2000 has built-in functionality that allows you to get more information about difficult-to-troubleshoot alerts or error messages. If you want to enable this functionality for this and other error messages in Microsoft Office 2000, please download the Microsoft Office 2000 Customizable Alerts file from the Microsoft Office Update Web site at the following address:

http://www.microsoft.com/downloads/details.aspx?FamilyID=8FBEE1D3-C5BB-4A36-A2F7-DC63DE2A818C

NOTE: If you reached this article by clicking the Web Info button in an error message, you already have Customizable Alerts enabled.

CAUSE
You are attempting to import a high-encryption (128-bit) certificate while using a version of Microsoft Internet Explorer earlier than version 5.

The certificate file you are attempting to import is damaged.

Install Internet Explorer 5
If you installed Office 2000 or Outlook 2000, and chose to not upgrade to Internet Explorer 5, you may encounter any of the above errors when importing a digital certificate. To install Internet Explorer 5, follow these steps:
 * 1) Quit all programs.
 * 2) Open Windows Explorer, and on your Office 2000 CD1, navigate to the \IE5\EN folder, where EN is your language version.
 * 3) Double-click Ie5setup.exe to begin Setup.

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Replace the Damaged Certificate File
If you are already using Internet Explorer 5, the likely cause of this problem is a damaged Certificate file. To resolve this problem, obtain a new certificate from an authorized, certificate-issuing authority. For additional information about obtaining a new digital certificate, please see the following article in the Microsoft Knowledge Base:

195477 OL2000: Encryption and Message Security Overview

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MORE INFORMATION
For additional information about troubleshooting digital certificate problems, please see the following articles in the Microsoft Knowledge Base:

195670 OL2000: Error Messages Using Security in Outlook

195843 OL2000: Troubleshooting Security Issues in Outlook

196800 OL2000: (CW) Digital IDs Missing from Address Book Import

Additional query words: OFF2000

Keywords: kbdownload kbprb KB223470

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