Checklist: Preupgrade Tasks

Applies To: Windows Server 2008, Windows Server 2008 R2

Complete the tasks in this checklist in the order in which they are presented. If a reference link takes you to a conceptual topic, return to this checklist after you review the conceptual topic so that you can proceed with the remaining tasks.

Checklist: Preupgrade Tasks

	Task	Reference
	Assign appropriate credentials to the users who are responsible for preparing the forest and domain for an Active Directory upgrade.	Assign Appropriate Credentials
	Introduce a newly installed member server into the forest.	Introduce a Member Server That Runs Windows Server 2008 or Windows Server 2008 R2
	Identify the editions of Windows 2000 or Windows Server 2003 that are running in your environment. Then determine if you can upgrade these editions or if you must perform a complete reinstallation for each.	Determine Supported Software Upgrades
	Review and document the existing hardware configuration of each domain controller that you plan to upgrade.	Assess Hardware Requirements
	Determine the order in which you will upgrade your domain controllers before you begin the domain upgrade process.	Determine Domain Controller Upgrade Order
	Develop a test plan for your domain upgrade process.	Develop a Test Plan for Your Domain Upgrade Process
	Determine service pack levels.	Determine Service Pack Levels
	Back up your Windows 2000 or Windows Server 2003 domain data before you begin the upgrade.	Back Up Domain Data
	Resolve upgrade and application compatibility problems.	Resolve Upgrade and Application Compatibility Problems