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Microsoft® Lync Server 2010 Unleashed by Tom Pacyk, Andrew Abbate, Alex Lewis

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Director Best Practices

The following are best practices from this chapter:

• Implement a Director pool when multiple pools exist internally. A Director provides a single point of initial sign-in for all pools and offloads authentication duties from Front End Servers.

• Use a Director as the next hop in any location with an Access Edge Server. This provides a degree of separation from the front end pools and protects the internal infrastructure from attack. Users are also authenticated at the Director when logging in remotely, so a Front End Server does not have to handle authentication requests.

• Order SRV records so that a Director pool has the lowest priority. Front-end pools should have a higher priority value so that clients first try ...

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