do you use active directory to authenticate sql server

may be this is caused by permission problems

other if you could not start service or do not open configuration manager

remove...

you have to reconfigure reporting service completely

first open services from control panel and go to sql server reporting service

and be sure Local system account at the log on tab...

could you give the error details.

yu can also look at the event viewer

most clean method to do this : do not upgrade

detach databases from express edition and attach sql server 2008 and convert database

compatibility level to 100

but if you do...

basically you create a linked server in your sql server for your second database

and after that you could create views to allow users to reach data

and by using...