Upgrading to Windows Server 2008 R2

Applies To: Windows Server 2008 R2

These documents contain important information about performing an in-place upgrade of a computer running Windows Server 2003 to the Windows Server 2008 R2 operating system. We recommend a clean installation whenever possible. However, if you decide that you want to upgrade, read these document to prepare. If you do not follow the guidance in these topics, your server may be left in an unusable state.

Document Description

Guide for Upgrading to Windows Server 2008 R2

Contains information about upgrading, including how to upgrade, supported scenarios, and frequently asked questions.

Windows Server 2008 R2 Upgrade Paths

Outlines supported and unsupported upgrade paths for Windows Server 2008 R2.

Known Issues When Upgrading to Windows Server 2008 R2

Contains known issues that you may experience during the upgrade process and offers solutions for these issues.

Application Considerations When Upgrading to Windows Server 2008 R2

Contains information about upgrading if you have line-of-business (LOB) or non-Microsoft applications, including details about the changes in the operating system and precautions to take before upgrading.