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

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Configuring the Windows Server Firewall for Lync Server

If the Windows Firewall is enabled and started at the time of installation of Lync Server components, the necessary exceptions are created automatically.

Caution

Although many administrators are tempted to disable the Windows Firewall, it is certainly worth leaving it in place with the necessary rules configured. If you are convinced you don’t want to use the Windows Firewall, and you don’t plan to use a third-party operating system layer firewall, leave the Windows Firewall service running, but configure the rules to allow all traffic to pass unhindered. This prevents possible problems in interacting with the Windows Filtering Platform.

Tip

If Windows Firewall was off during the first ...

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