Back to Home Page

You can not access this system without a valid "Client Certificate". Client Certificate expires approximately 18 months after the certificate is approved. You can follow the steps described below to check the expiration date of your certificate.

If certificate is expired or the expiration date is near (within 2 weeks), a new certificate request should be submitted. After the new request is approved and you have installed the new certificate, remove the expired (or soon to be expired) certificate.

Steps to check the certificate expiration date (Internet Explorer users)

1. Click on the "Tools" menu and select "Internet options"
2. Click on the "Content" tab
3. Click on the "Certificates" button.
4. You will find your client certificate(s) under "personal" tab. Here you can see the expiration date

Steps to check the certificate expiration date and to remove the expired certificate (Internet Explorer users)

1. Follow the above steps (steps 1 to 4) to find the client expired certificate (note that both the new certificate and the expired certificate are in the "personal" tab. Be sure to select the correct certificate.
2. Select the expired certificate and Click "Remove" button to remove the certificate.

For information regarding this system you may email MHeaton@dupageco.org. In an emergency you may call 630-407-8579.