Upgrading Active Directory Domains to Windows Server 2008 and Windows Server 2008 R2 AD DS Domains
Applies To: Windows Server 2008, Windows Server 2008 R2
Upgrading your network operating system requires minimal network configuration and typically has a low impact on user operations. The upgrade process is straightforward, efficient, and allows your organization to take advantage of the improved security that is offered by the Windows Server® 2008 and Windows Server 2008 R2 operating systems.
About this guide
This guide is intended for use by system administrators and system engineers. It provides detailed guidance for upgrading Windows 2000 or Windows Server 2003 Active Directory domains to Active Directory Domain Services (AD DS) domains that have domain controllers running Windows Server 2008 or Windows Server 2008 R2. For a seamless deployment experience, use the checklists that are provided in this guide and complete the tasks in the order in which they are presented.
To obtain a copy of this guide in .doc format, see Upgrading Active Directory Domains to Windows Server 2008 and Windows Server 2008 R2 AD DS Domains on the Microsoft Download Center (https://go.microsoft.com/fwlink/?LinkId=178585).
In this guide
Finding Additional Information About Upgrading Active Directory Domains
Appendix A: Background Information for Upgrading Active Directory Domains
Upgrade Domain Controllers: Microsoft Support Quick Start for Adding Windows Server 2008 or Windows Server 2008 R2 Domain Controllers to Existing Domains
For more information about the AD DS logical structure and the Domain Name System (DNS) infrastructure that is necessary to support AD DS, see Designing the Logical Structure for Windows Server 2008 AD DS.
For more information about AD DS functional levels, see Enabling Advanced Features for AD DS.
For more information about installing and configuring a DNS server, see Deploying Domain Name System (DNS) (https://go.microsoft.com/fwlink/?LinkId=93656).