usiness Objects recommends you to go through Four key 
phases to migrate an existing deployment to higher one.
The phases are :-
1. Assessment & Planning. The assessment phase consists of 
auditing a particular deployment to determine 
the tools involved and project phases.
2. Installation of destination envirnment. During this 
pahse, a working instance of higher verison will be 
installed
to provide access to the migration capabilities and allow 
staff to become familiar with its operation.
3. Importing contect to the destination system. This phase 
coressponds to the actual migration implementation using 
the 
appropriate tools to move content from the legacy system to 
the higher version.
4. Testing and validation. This phase involves any checking 
and post implementation tuning required inorder for the 
customer
toput the BI system into Production