Introduction

The authors of this book have been working with Communications Server since the Live Communications Server 2003 days. I remember when it launched on December 29, 2003. Back then, Windows Messenger 5.0 was the main client used and the terminology was completely different. However, even then, TLS communication was supported, although most IT departments went with the more familiar TCP option instead. Needless to say, a lot has changed through the years. Most people I work with don’t realize that Lync Server is a fifth-generation product! It is even older if you count the Exchange Instant Messenger Service that was included in Exchange Server 2000, which was pulled out to build the first version of Live Communications Server.

In the ...

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