You must provide Company Documents to pass the validation
The Comodo UCC SSL (OV) enables you to easily protect multiple domains and sub-domains using just one SSL. It supports MS Exchange 2007/2010 and OCS 2007. Comodo UCC SSL is a business validation product, you will need to send business documents and to validate you domain. With one SSL you will secure:
Each UCC SSL provides 128/256 bit encryption with trust from 99% browsers. It is great economical solution to save money securing all your domains with one SSL Certificate. These certificates secure website and eCommerce sites so that security procedures are protected from hackers who could potentially cause big problems. They provide a selection of services:
Compliance and Scanning Services – this is a PCI Security Standards Council approved scanning service that checks for any vulnerabilities in the system and reports back. A Comodo trust mark on your website will show that your site is regularly checked using this scanning process. Digital Certificates – A yellow padlock or green address bar will alert customers to the fact that they are on a safe site. A site that encrypts information that is sent so that data is protected.
SAN SSL certificates are Subject Alternative Name and they can also be called Unified Communication Certificates (UCC). These were developed for Microsoft Exchange and Microsoft Office Communications Server products. It is possible to secure domain names or common names with just the one certificate. This applies to external domain names and internal network names.
A business validation certificate requires more paperwork. You need to validate by email as well as supplying company documentation for authentication. This process is done manually and therefore can take up to three business days to complete. This will give you a higher security level and is recommended for ecommerce sites that are registered businesses. You will need to provide specific business documents in order to get this certificate.
Browser and devices compatibility is the most important part of SSL usage. Comodo SSL Certificates are supported by 99,9+ browsers and devices. Please check the full list of supported devices and browsers.
On this site is it possible to easily compare the different types of SSL certificates. This will allow you to be able to understand what each one does and which one will provide the protection that you need. It will allow you to see that price is not the key issue when choosing a certificate as cheaper products can sometimes have more features that dearer ones.