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The information in this chapter shows you how to use various tools to administer Active Directory. Both graphical and command-line tools are available. The graphical tools are typically easier to use, especially for simple and unique tasks. Many of the command line tools are quite useful when troubleshooting or automating processes. No matter how you decide to administer Active Directory, you should be sure to back up your Active Directory database routinely. Despite many technological advances, people still make mistakes and equipment sometimes fails. If someone accidentally deletes an Active Directory container object, or if a server crashes, you might need to restore from backup. The Active Directory Domains And Trusts console, the Active Directory Sites And Services Console, and the Active Directory Users And Computers console are the main tools for handling Active Directory it s important to know what function each console serves. Windows Support Tools are also available; you must know how to install them to be able to administer the fine points of Active Directory. Microsoft Management Consoles (MMCs) allow you to administer Active Directory from remote locations or to allow other administrators to manage Active Direc tory. This chapter shows you how to create and work with MMCs. Finally, you use the Backup Or Restore Wizard to create backups of Active Directory and perform a restore. Being able to maintain effective backups and having the ability to restore Active Directory from backup is vital for effective system administration.

3

3

Lessons in this :

}

Figure 3-3

Lesson 1: Using Active Directory Administration Tools . . . . . . . . . . . . . . . 3-3 Lesson 2: Customizing MMCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17 Lesson 3: Backing Up Active Directory . . . . . . . . . . . . . . . . . . . . . . . . . 3-29 Lesson 4: Restoring Active Directory . . . . . . . . . . . . . . . . . . . . . . . . . . 3-44

Restrict zone transfer. If Active Directory integrated DNS is not used, restrict zone transfer to authorized servers. To restrict Microsoft DNS zone transfer to spe cific secondary DNS servers, use the Zone Transfer tab.

To complete the lessons in this chapter, you must:

/** * @see {@link EncryptionTestCaseSupport#assertEncryption(EncryptionCommon Business)} */ @Test public void testEncryption() throws Throwable { // Log log.info("testEncryption"); // Test via superclass this.assertEncryption(encryptionLocalBusiness);

Prepare your test environment according to the descriptions given in the Getting Started section of About This Book Complete the practices for installing and configuring Active Directory as discussed in 2, Installing and Configuring Active Directory

Note An additional security configuration, secure cache against pollution (shown in Figure 3-4), is set by default. It can be found on the Advanced page of the DNS server properties. This setting prevents some referral DNS information from being added to the cache. Normally, when a query for name resolution is made, additional names and IP addresses might also be returned. If these addresses are not correct, the cache is said to be polluted or poisoned. The addresses might not be correct because of an attempt by an attacker to redirect communica tions to servers under her control. When this setting is used, the DNS server will not place referral names in its cache unless they are in the same domain as the query. That is, if a query for myserver.tailspintoys.com returned addressing information for yourserver.wingtip toys.com, the information would not be cached.

The powerful and flexible Active Directory administration tools that are included with Windows Server 2003 simplifies directory service administration. The Active Directory administrative consoles enable you to administer Active Directory directory service. A number of additional Active Directory administration tools are available in the Windows Support Tools. This lesson introduces the Active Directory administrative consoles and Windows Support Tools that are used to configure, manage, and debug Active Directory.

Figure 3-4

}

Describe the functions of the Active Directory Users And Computers administrative console Describe the functions of the Active Directory Sites And Services administrative console Describe the functions of the Active Directory Domains And Trusts administrative console Describe the functions of the Active Directory Schema snap-in Change the domain functional level Change the forest functional level Add or remove a UPN suffix Explain the purpose of each of the Windows Support Tools that pertain to Active Directory

Two main tools are used to administer Active Directory:

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