Windows Enterprise Server

• 1). Click on "Start" and open the "Administrative Tools" menu.
  
  
• 2). Click on the "Certification Authority" icon.
  
  
• 3). Click on the "+" sign to expand the Certificate Authority menu and click on the "Issued Certificates" folder.
  
  
• 4). Click on the certificate you wish to remove or press "CTRL+A" on the keyboard to select all issued certificates.
  
  
• 5). Right-click on the selected certificate and select "All Tasks" and then select "Revoke Certificate" from the hover menu.
  
  
• 6). Click on "Cease of Operation" in the dialogue box.
  
  
• 7). Click on "OK" to confirm your changes.
  
  

Windows Server 2003

• 1). Click on "Start" and select "Control Panel."
  
  
• 2). Double-click on the "Add or Remove Programs" folder and select "Add/Remove Windows Components."
  
  
• 3). Remove the check box next to "Certificate Services."
  
  
• 4). Click on "Next." A window will pop up saying, "The system requests that you stop the service before proceeding with the uninstall process."
  
  
• 5). Click on "OK" to confirm you wish to remove the certificate.