You can export the results from the planning tool to

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Planning Tool to automate much of the topology design process. You can export the results from the Planning Tool to Topology Builder, which is the tool that is required to install each server running Lync Server 2010. Topology Builder stores all configuration information in the Central Management store. For details about these tools, see Beginning the Planning Process in the Planning documentation. Central Management store . With Lync Server 2010, configuration data about servers and services is moved to the Central Management store. The Central Management store provides a robust, schematized storage of the data needed to define, set up, maintain, administer, describe, and operate a Lync Server deployment. It also validates the data to ensure configuration consistency. All changes to this configuration data happen at the Central Management store, eliminating “out-of-sync” issues. Read-only copies of the data are replicated to all servers in the topology, including Edge Servers and Survivable Branch Appliances. Replication is managed by a service that is, by default, run under the context of the Network service, reducing the rights and permissions to that of a simple user on the computer. For details, see New Central Management Store in the Getting Started documentation. Windows PowerShell-based management and Web-based management interface Lync Server 2010 provides a powerful management interface, built on the Windows PowerShell command line interface. It includes cmdlets for managing security, and Windows PowerShell security features are enabled by default so that users cannot easily or unknowingly run scripts. This means that the software defaults are set to automatically help maximize security and reduce the avenues of attack. For details about Windows PowerShell management support in Lync Server 2010, see Windows PowerShell and Lync Server Management Tools . Role-based access control (RBAC) Microsoft Lync Server 2010 introduces role-based access control (RBAC) to enable you to delegate administrative tasks while maintaining high standards for security. You can use RBAC to follow the principle of "least privilege," in which users are given only the administrative rights that their jobs require. For details, see Role- Based Access Control (RBAC) . 2
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Microsoft Lync Server 2010 Security Guide Network address translation (NAT) Lync Server 2010 does not support the use of network address translation (NAT) on the internal interface of the Edge Server, but it does support placing the external interface of the Access Edge service, Web Conferencing Edge service, and A/V Edge service behind a router or firewall that performs network address translation (NAT) for both single and scaled consolidated Edge Server topologies. Multiple Edge Servers behind a hardware load balancer cannot use NAT. If multiple Edge Servers use NAT on their external interfaces, Domain Name System (DNS) load balancing is required. In turn, using DNS load balancing allows you to reduce the number of public IP addresses per Edge Server in an Edge Server pool. For details, see Access Edge Service .
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