HI ,i had my report server on SQL SERVER 2005,and for reporting service i am using the sql server reporting services 2008R2,i created a report which i am supposed to display in Website ,i created the rdl using the BIDS 2008 and , its throwing me an error because my report server is in 2005 and my rdl is in 2008 and i was using it in VS2008 Report viewer control,i was told that i am supposed to create rdl in 05 in order to get it run ,but i dont want to create another one since it was pretty big and took lot of time to design it Is there any way i can use the same rdl with that report server ,one of my collegue told that i can do in one way (using catalog of SQL server 2008 Reporting in sql server 2005 report server database i did'nt get that much as iam not aware of that catalog stuff .and i tried to configure the report server once again and i am getting this new error THE REPORT SERVER INSTALLATION IS NOT INITIALIZED (rsReportServer NOT ACTIVATED) in ssrs 2005 there initialize but in ssrs2008 r2 i couldnt found that option so can any one please help me out with this . thnaks in advance