How to install a certificate on a Windows Vista client

Learn how to install a certificate onto a Windows Vista client after downloading the certificate from the enterprise certificate authority.

Now that we have downloaded a certificate for the enterprise certificate authority, we need to install it onto the Vista client machine so that it will trust the enterprise certificate authority. To do so, follow these steps:

  1. Close Internet Explorer if it is open.
  2. Enter the MMC command at the Run prompt. This will cause
    Vista VPN setup guide, part 1
    Learn how to configure Windows Server 2008 to act as an SSL VPN server in part 1 of our Vista VPN setup guide.
    Windows to load an empty Microsoft Management Console.
  3. If you receive a security warning, click the Continue button.
  4. Select the Add / Remove Snap-In command from the console's File menu.
  5. Choose the Certificate option from the list of available snap-ins, and then click the Add button.
  6. Windows will display the Certificates snap-in page. Choose the Computer Account option, and click the Finish button.
  7. Choose the Local Computer option from the following screen, and click Finish, then OK.
  8. Now, navigate through the console tree to Certificates | Trusted Root Certification Authorities | Certificates.
  9. Right-click on the Certificates container, and choose the All Tasks | Import commands from the resulting shortcut menus.
  10. Windows will now launch the Certificate Import Wizard. Click the Next button to bypass the wizard's Welcome screen.
  11. When prompted, enter the path and filename of the certificate that you want to import. If you don't know the filename off the top of your head, you can use the Browse button.
  12. Click Next.
  13. On the following screen, make sure that the Place All Certificates in the Following Store option is selected and that the Certificate Store field reads: Trusted Root Certification Authorities.
  14. Click Next, then Finish.
  15. You should see a message telling you that the certificate has been imported. Click OK to close this message. The certificate should now appear in the console's Certificates container.
  16. Close the console.

Vista VPN setup guide, part 2

 Connect to the VPN server
 Establish trust
  Install the downloaded certificate
 Configure the VPN connection to use SSL

Brien Posey
About the author
Brien M. Posey, MCSE, is a Microsoft Most Valuable Professional for his work with Windows 2000 Server and IIS. Brien has served as the CIO for a nationwide chain of hospitals and was once in charge of IT security for Fort Knox. As a freelance technical writer he has written for Microsoft, TechTarget, CNET, ZDNet, MSD2D, Relevant Technologies and other technology companies. You can visit Brien's personal Web site at .

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