Secure Socket Layer Unified Communications Certificate

What Does Secure Socket Layer Unified Communications Certificate Mean?

Secure Socket Layer unified communications certificates (SSL UCC) are a type of SSL certificate developed for use with the Microsoft Office Server 2007 and Microsoft Exchange 2007 products. The only difference it has with a regular SSL certificate is the Subject Alternative Name (SAN) field, which can contain any number of domain or common names that enable the certificate to work with those listed (domain) names.

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Techopedia Explains Secure Socket Layer Unified Communications Certificate

Secure Socket Layer unified communications certificates are a single solution that allow SSL encryption for many domain names at once. It can provide great cost savings and it is also required for certain features in Microsoft Exchange, Office Communications Server 2007 and Live Communications Server to work.

But without any of Microsoft’s servers, the UC certificates can still be used to secure multiple website domain and sub-domain names, which offers great cost savings and ease of administration compared to securing a different certificate for each domain name and IP address. UC certificates are compatible with shared hosting, however, the sites would appear connected since the "Issued To" site seal and certificate only indicates the primary domain name.

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Margaret Rouse
Technology Expert

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.