Deleting VT-Wireless Certificates in Windows XP/Vista
Time to Complete (in minutes): 15

Question:
How do I update to a new VT-Wireless certificate and delete my old certificate in Windows XP/Vista?
Answer:

In order to keep using the VT-Wireless wireless network after your certificate expires, you must delete your old certificate and update to a new certificate.
  • To delete an old certificate:
    1. Click on the Start button.
    2. Open certmgr:
      • In Windows XP: 
        1. Select Run...
        2. Type certmgr.msc
        3. Click OK.
      • In Windows Vista: 
        1. In the Start Search field, type certmgr.msc
        2. Press the Enter key.
    3. Click on the Personal folder.
    4. Double-click on the Certificates folder.
    5. Locate any certificates for which the Issed To field shows your PID and for which the Issued By field field shows Research and Development Remote Access CA.
    6. For these certificates, look at the Expiration Date field to determine which certificates are about to expire or have expired.
    7. Delete these certificates:

      Important: Do not delete any certificate that is not expired and that you intend to use.

      1. Right-click on the certificate.
      2. Select Delete.
  • To update to a new certificate:
    1. Go to the Log into Netcert via CAS Web page.
    2. Log in using your PID (in all lower-case letters) and PID password.
    3. Using the online form and instructions, create a new Personal Network Access Certificate.
    4. After the certificate is created, follow the Windows instructions to install it.