Step 1 - Login to current OVR BI Server and gather
information - 
Navigate to Business Intelligence –> coreapplication and
click on Scheduler tab here you can find the DataSource and User id for old
schemas
 I have taken following notes 
Username –> PROD_BIPLATFORM
Password -> 
Extract from your notes.
Go to Services – Data Source
 
Click on bip_datasource - > Configuration ->
Connection Pool
Note down URL. 
Repeats same for mds-owsm
Step 2 – Run RCU on new Environment 
Download  Repository Creation Utility (RCU) from the below link.http://www.oracle.com/technetwork/middleware/bi-enterprise-edition/downloads/biee-111150-393613.html
Extract and navigate to rcuHome\BIN and double click on
rcu.bat and create Schemas
  
