Chapter 1. Before you begin

Imagine you work in a medium-size organization—about 3000 users, each with a PC, and 300 servers. Each user needs access to multiple servers. You wouldn’t even want to think about the chaos, never mind the work, involved in trying to manage user logon accounts and permissions across all of those individual systems. And by the time you get to organizations with 10,000, 50,000, or even 100,000 users, it’s impossible to manage each computer individually.

Active Directory (AD) provides a centralized service that links all of those machines and enables a user to log on and access any of them provided they have been granted permission to do so.

Imagine again that you arrive at work one Monday morning and are told “Congratulations, ...

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