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708 Chapter 12 • Operational and Organizational Security: Policies and Disaster Recovery

15. When the Select Users dialog appears (shown in Figure 12.3),
type the name of the user (Test) in the “Enter the object names
to select,” and then click the Add button.
16. Click the Check Names button to have Windows XP check the
name you entered to ensure it is the correct name used for the
account. In the case of our user, it will resolve the name Test to
the format of <computername>/Test, where “computer name” is
the name of your local computer. In the case of the computer in
Figure 12.3, it will be resolved to COMPUTER2007\Test. Click OK
to continue.

Figure 12.3 Select Users Dialog Box

17. Click OK to exit from the Administrator properties.

18. Log off the machine and then log back on using the Test account.
Notice that this account now has the same rights as the
Administrator group.

Single Sign-on

On many older network OSes, such as Windows NT, users who wanted to access
data and resources on various servers were required to log onto each server indi-
vidually. In other words, if you were logged onto Server A and wanted to open a
file located on Server B, you would have to log onto Server B separately.This was
annoying to users and a security issue for administrators. Every user who needed

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