# The page requires a valid client certificate

The page you are trying to view requires the use of a valid client certificate. Your client certificate is untrusted or invalid. The client certificate is used for authenticating you as a valid user of the resource.

Please try the following:

- Click the Refresh button to try again, if you have changed your client certificate.
- Contact the Web server's administrator to obtain a valid client certificate.
- If you believe you should be able to view this directory or page, please contact the Web site administrator by using the e-mail address or phone number listed on the
  home page.

## HTTP 403.16 - Forbidden: Client certificate untrusted or invalid
Internet Information Services

Technical Information (for support personnel)

- More information:
  Microsoft Support