You can manage previous versions of WebSphere product application servers in the WebSphere® Virtual Enterprise administrative console. If you have a large topology where manually migrating the topology would be cumbersome, you can use the migration toolkit to automatically detect your configurations and import the configuration into the Version 6.1 or later cell.
The migration toolkit uses series of scripts to connect to one cell, read the data, and then use the same process to import the data into the other cell. Because of the version differences, data must be manipulated. The scripts also function as an adaptor or integration interface. The migration script logic handles all of the routing information and environment detection, sets data to makes things work after the import, and performs integrity checks to ensure a stable configuration.
For more information about the migration toolkit capabilities, see Migration toolkit.