If you have purchased a VeriSign SSL certificate from Getronics PinkRoccade, then you can order additional certificates. Your request details form your previous order will be availableto you. Search a recently ordered or issued certificate via Common Name, order number or number from you certificate and click 'Additional Server ID'
Did the name of your organisation or the location change?
When the information in the socalled Distinguished Name of an existing certificate is changed, then you have to purchase a new (initial) certificate. You cannot use the additional certifcate option.
Do you want to buy more then 1 extra certificates? In that case you need Managed PKI for SSL. Managed PKI for SSL allows you to centrally manage SSL certificates, so you can issued them any time you like without waiting for validation. Also you will get a volume discount.