Plan a Large-Scale User-ID Deployment

When deciding whether to use Windows Log Forwarding and Global Catalog servers for your User-ID implementation, consult your system administrator to determine:
  • Bandwidth required for domain controllers to forward login events to member servers. The bandwidth is a multiple of the login rate (number of logins per minute) of the domain controllers and the byte size of each login event.
    Domain controllers won’t forward their entire security logs; they forward only the events that the user mapping process requires per login: three events for Windows Server 2003 or four events for Windows Server 2008/2012 and MS Exchange.
  • Whether the following network elements support the required bandwidth:
    • Domain controllers—Must support the processing load associated with forwarding the events.
    • Member Servers—Must support the processing load associated with receiving the events.
    • Connections—The geographic distribution (local or remote) of the domain controllers, member servers, and Global Catalog servers is a factor. Generally, a remote distribution supports less bandwidth.

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