How to perform a clean uninstall of the WebSphere Portal

The following steps show you how to successfully uninstall the WebSphere Portal Toolkit version 5.x

1. Log in to Windows with an administrative user.
2. Uninstall the Portal Toolkit and WebSphere Portal with Add/Remove Applications in the Control Panel of the Windows Settings folder. Please note that you need to reboot your machine right after uninstallation. (Note: Make sure that you do not operate any other tasks on the system during installation and uninstallation. WebSphere Portal installation and uninstallation are time and resource-consuming jobs for the system.)
3. Rename c:windowsvpd.properties to c:windowsvpd.properties.old
4. Delete the following directories and their sub-directories:
• c:xxxxruntimesPortalServer
• c:xxxxruntimesportal_v50
• c:xxxxPortalToolkit

where xxxx is c:Program FilesIBMWebSphere Studio.

5. Invoke regedit.exe from a command prompt to edit the Windows System Registry.
6. Delete the following keys:
• HKEY_LOCAL_MACHINESOFTWAREIBMWebSphere Portal Serverxxx
• HKEY_LOCAL_MACHINESOFTWAREIBMWebSphere Portal Server5.0.0.0