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A multi-domain SSL certificate (also referred to as SAN Certificate or Unified Communications Certificate/UCC) is a special type of SSL certificate. While a normal web server certificate can secure only one host name or domain name, a multi-domain SSL certificate secures multiple domains and multiple host names within one domain. With a UCC you are also able to secure one domain with different extensions (e.g. your-domain.co.uk and your-domain.au) or multiple domain names (e.g. your-domain.com and yourbusiness.com) using the same SSL certificate.

UCCs secure up to 100 domain names

One great advantage of multi-domain certificates is that for each domain name only one unique IP address is required. Depending on which UCC you choose to use, you can secure up to 100 Fully Qualified Domain Names (FQDNs) on a single certificate. This makes multi-domain certificates an ideal solution for businesses that want to cover multiple brands or trading names with one SSL certificate. Not only do they save you lots of money, they also save you time by you not having to buy and manage multiple SSL certificates and monitor the corresponding expiration dates. The savings potential of multi-domain certificates as compared to standard one-domain SSL certificates typically ranges from 30 to 50 percent. The only requirement is that all FQDNs are registered under the same owner.

Multi-domain SSL certificates are ideal for Microsoft Exchange

The reason why so many enterprises use a UC Certificate to secure Microsoft Exchange is due to the multiple ways that the platform is accessed. Not only office web applications, but also all other services, be it Autodiscover or Offline Address Book Distribution (OAB), need to be accessed in a secure manner. A multi-domain SSL certificate allows the owner to secure a primary domain as well as up to 99 additional Subject Alternative Names (or SANs) in one single certificate. It is thus possible to combine all MS Exchange related host names under the same certificate – for example wiki.example.com, webmail.example.com and server.example.local. Therefore, multi-domain SSL certificates are ideal for Microsoft Exchange Server 2010, Exchange Server 2007 and Microsoft Live Communications Server.

If you’re looking for a multi-domain SSL certificate that meets all your security requirements, you have come to the right place. The UCCs we offer on our website are highly versatile certificates that are compatible with all common server types. Our prices for multi-domain SSL certificates start at 165 USD per year. Order your multi-domain SSL certificate today and get protected!

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