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1 | 
Network Layout Within a Site | 
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To reduce traffic across bridges and routers, locate servers on the same local area network (LAN) segments as the users. | 
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2 | 
Integrating Network Operating Systems  | 
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If users in your site have a network operating system other than Windows NT Server, you may need to install additional software to integrate the clients with Microsoft Exchange Server. | 
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3 | 
Defining the Users in Your Site  | 
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To optimize performance, group users and determine usage patterns. | 
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4 | 
Connecting to Other Sites  | 
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When planning connections to other sites, consider redundancy, bandwidth, and network traffic. | 
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5 | 
Message Routing Strategy | 
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When planning connections to other sites and systems, consider your message routing strategy. | 
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6 | 
Client Languages  | 
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Consider what languages your users will need. | 
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7 | 
Remote Access | 
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Decide what type of remote access services your site will support. | 
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8 | 
Directory Replication | 
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Consider your strategy for directory replication if your organization spans multiple sites. | 
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9 | 
Public Folders  | 
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Determine how you will provide public folder access. | 
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10 | 
Backing Up and Restoring Servers | 
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Plan your organization's strategy for backing up and restoring servers, including how frequently backups will occur and the type of backup mode that meets your organization's needs. |