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Microsoft® Lync® Server 2013 Unleashed Second Edition by Randy Wintle, Alex Lewis, David Ross, Tom Pacyk

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Domain Name System

Lync Server heavily relies on domain name system (DNS) for name resolution and service lookups. Since Lync is always installed in an Active Directory environment, which also requires DNS, this service is typically already in production before the installation of Lync, and therefore simply needs to be configured to meet Lync requirements.

Lync Server utilizes DNS for several purposes. First, there is the requirement for hostname–to–IP address lookups, which is the typical use of DNS. However, Lync Server also uses specialized DNS records to identify particular services. Lync Server is also able to leverage DNS round robin functionality to provide load balancing for specific Lync functions. The DNS record types that are primarily ...

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