Hi guru, I am in Migration Project

Hi guru,

I am in Migration  Project....

we have 100 desktop intelligence reports developed in sap bo 3.x environment( on 8 universes)

now we want to migrate all the reports into sap bo 4.0 webi fromat..

now i need to use report conversion tool to migarate..

i have a doubt...

first i need to convert all the reports or universes..

Thanks,

Manohar