# Upgrading from Discovery Framework version 1.0

Data migration is not supported between Discovery Framework 1.0 and 1.5.

To upgrade from Discovery Framework 1.0 to Discovery Framework 1.5:

1. Uninstall Discovery Framework 1.0. Uninstalling consists of removing the packages and directories created in your installation.
   Note: If your 1.0 deployment was installed in an existing application server, follow the appropriate steps to stop and uninstall the DF 1.0 application from the application server before installing DF 1.5.
2. Install Discovery Framework 1.5, following the instructions in the next chapter.
3. Rebuild your application.