Error message when you try to upgrade Windows Server 2003 to Windows Server 2008: "Setup has detected that FrontPage server extensions is installed on this computer To upgrade your server, uninstall this component"

To resolve this issue, uninstall the FrontPage server extensions, perform the upgrade, and then reinstall the FrontPage server extensions. To do this, use one of the following methods.

Method 1: Use the Add or Remove Programs item in Control Panel

1. In Control Panel, double-click Add or Remove Programs.
2. Click the FrontPage server extensions entry.
   
3. Click Remove.
4. Perform the upgrade.
5. Reinstall the FrontPage server extensions if it is necessary.
   

Method 2: Modify the registry

Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:

322756 How to back up and restore the registry in Windows

1. Start Registry Editor.
2. Locate and then click the following registry subkey:
   
   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Shared Tools\Web Server Extensions\5.0\Setup Packages "Microsoft Windows" ="<x.x.x.xxxx>"
   Note In this registry subkey, <x.x.x.xxxx> represents a version number.
3. On the File menu, click Delete, and then click Yes to accept the deletion.
   
4. Perform the upgrade.
5. Reinstall the FrontPage server extensions if it is necessary. If the FrontPage server extensions are not installed, the extensions may be installed as part of another program.