Upgarding and Migrating SAP BI from 4.0 to 4.1

Hello All,

I am upgrading and migrating SAP BI 4.0 to SAP BI 4.1

After up-gradation do we need to take a copy of "file store" from older version (SAP BI 4.0) which contains IFRS and OFRS, and need to paste on newer version (SAP BI 4.1)??.

Please suggest for this.

Regards,

Sourabh