Part 3: Windows Server 2003 (Web design rates) Upgrades and Migrations
Part 3: Windows Server 2003 Upgrades and Migrations Preparing for Upgrades and Migration To raise the forest functional level, you must be logged on using an account that is a member of the Domain Admins group in the forest root domain or a member of the Enterprise Admins group in Active Directory. Start Active Directory Domains and Trusts, and right-click the root node, then select the Raise Forest Functional Level option. In the Raise Forest Functional Level dialog box, select an available forest functional level, and click Raise. The operation cannot be reversed. All domains in the forest must be at Windows Server 2003 domain functional level to be able to change to the Windows Server 2003 forest functional level. If you are unable to raise the forest function level, click Save As in the Raise Forest Functional dialog box to save a log file detailing the domain controllers in the forest that still need to be upgraded from Windows NT or Windows 2000. You can raise domain functional levels in much the same way. Again, you must be logged on using an account that is a member of the Domain Admins group in the forest root domain or a member of the Enterprise Admins group in Active Directory. Start Active Directory Domains and Trusts, right-click the domain, then select the Raise Domain Functional Level option. In the Raise Domain Functional Level dialog box, select an available domain functional level, and click Raise. The operation cannot be reversed. Make sure you understand the implications of raising functional levels before you do this. See Choosing Domain and Forest Functional Levels, earlier in this chapter, for details. Identify DNS Namespace and Storage DNS is central to network operations in Windows Server 2003. Active Directory domains use DNS for locating domain controllers, global catalog servers, Kerberos Key Distribution Centers (KDCs), and for using Lightweight Directory Access Protocol Uniform Resource Locators (LDAP URLs). Upgrading a Windows NT network requires a defined DNS namespace, as well as organized DNS services and replication (as described in Chapter 2). Identify the DNS domain information that will be required during the upgrade, as follows: . When upgrading Windows NT 4 domain controllers, you must implement the domain controller within the context of your IT namespace, planning for DNS and Active Directory. . When upgrading Windows 2000 domain controllers, in most situations you will leverage the existing DNS namespace. Consider whether the (upgraded or migrated) server(s) will be supporting DNS. If the server will be a DNS server, how you choose to store the DNS zone records has implications for replication of the DNS information. You can store DNS zone records in traditional zone files, in Windows 2000 Active Directory integrated zones, or in the new forest and domain application partitions. Chapter 7
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