How to Remove a Root Certificate from the Trusted Root Store (293819)


The information in this article applies to:

  • Microsoft Internet Explorer 5.5 for Windows NT 4.0 SP 1
  • Microsoft Internet Explorer 5.01 for Windows NT 4.0 SP 1
  • Microsoft Internet Explorer 5.01 for Windows NT 4.0 SP 2
  • Microsoft Internet Explorer 5.0 for Windows NT 4.0
  • Microsoft Internet Explorer 4.01 for Windows NT 4.0 SP 1
  • Microsoft Internet Explorer 4.01 for Windows NT 4.0 SP 2
  • Microsoft Internet Explorer 4.0 for Windows NT 4.0
  • Microsoft Internet Explorer 5.0 for Windows NT 3.51
  • Microsoft Internet Explorer 4.01 for Windows NT 3.51
  • Microsoft Internet Explorer 4.0 for Windows NT 3.51
  • Microsoft Internet Explorer 5.5 for Windows Millennium Edition SP 1
  • Microsoft Internet Explorer 5.5 for Windows 98 Second Edition SP 1
  • Microsoft Internet Explorer 5.01 for Windows 98 Second Edition SP 1
  • Microsoft Internet Explorer 5.01 for Windows 98 Second Edition SP 2
  • Microsoft Internet Explorer 5.0 for Windows 98 Second Edition
  • Microsoft Internet Explorer 4.0 for Windows 98 Second Edition
  • Microsoft Internet Explorer 5.5 for Windows 98 SP 1
  • Microsoft Internet Explorer 5.01 for Windows 98 SP 1
  • Microsoft Internet Explorer 5.01 for Windows 98 SP 2
  • Microsoft Internet Explorer 5.0 for Windows 98
  • Microsoft Internet Explorer 4.01 for Windows 98 SP 1
  • Microsoft Internet Explorer 4.01 for Windows 98 SP 2
  • Microsoft Internet Explorer 5.5 for Windows 95 SP 1
  • Microsoft Internet Explorer 5.01 for Windows 95 SP 1
  • Microsoft Internet Explorer 5.01 for Windows 95 SP 2
  • Microsoft Internet Explorer 5.0 for Windows 95
  • Microsoft Internet Explorer 4.01 for Windows 95 SP 1
  • Microsoft Internet Explorer 4.01 for Windows 95 SP 2
  • Microsoft Internet Explorer 4.0 for Windows 95
  • Microsoft Internet Explorer 5.5 for Windows 2000
  • Microsoft Internet Explorer 5.01 for Windows 2000 SP 1
  • Microsoft Internet Explorer 5.01 for Windows 2000 SP 2
  • Microsoft Internet Explorer 5.0 for Windows 2000
  • Microsoft Internet Explorer version 6 for Windows 2000
  • Microsoft Internet Explorer version 6 for Windows 98
  • Microsoft Internet Explorer version 6 for Windows 98 Second Edition
  • Microsoft Internet Explorer version 6 for Windows Millennium Edition
  • Microsoft Internet Explorer version 6 for Windows NT 4.0
This article was previously published under Q293819

SUMMARY

This article describes how to remove a trusted root certificate from the Trust Root Store, and how to re-install it again.

WARNING: Removal of the Trusted Root Certification Authority makes all certificates that are issued by this Certificate Authority (CA) untrusted.

MORE INFORMATION

To export and remove the certificate, use the appropriate method.

Internet Explorer 5, 5.01, and 5.5

  1. On the Tools menu of Internet Explorer, click Internet Options.
  2. On the Content tab, click Certificates.
  3. On the Trusted Root Certification Authorities tab, click the appropriate certificate, click Export, and follow the instructions on your screen.
  4. On the Trusted Root Certification Authorities tab, click the appropriate certificate, click Remove, and then click Yes.
  5. Click Close, click OK, and then restart Internet Explorer.
To import the certificate:
  1. On the Tools menu of Internet Explorer, click Internet Options.
  2. On the Content tab, click Certificates.
  3. On the Trusted Root Certification Authorities tab, click the appropriate certificate, click Import, and follow the instructions on your screen.
  4. Click Close, click Ok, and then restart Internet Explorer.

Internet Explorer 4.x

  1. On the View menu of Internet Explorer, click Options.
  2. On the Content tab, click Authorities.
  3. Click the appropriate certificate, click Delete, and then click Yes.
  4. Click Close, click Ok, and then restart Internet Explorer.
Modification Type:MajorLast Reviewed:11/26/2003
Keywords:kbenv kbhowto KB293819
©2003 Microsoft Corporation. All rights reserved.