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

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Understanding the Business Impact of High-Availability and Disaster Recovery

The availability required of a Lync Server system can have a major financial impact. It is important to work with the business owners to understand the appropriate balance of availability and cost. As the availability of a system is increased, cost rises in the areas covered in the following subsections.

Server Hardware and Software

The most obvious area where an organization will see increased costs is in server costs. When a Lync service is being scaled to match high service levels, additional servers as well as software for those servers are required. In a typical case, each server can come with additional costs, such as these:

• Physical hardware

• Hardware warranty/service ...

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