Hello

in command window :

rsconfig -c -m REMOTECOMPUTERNAME -s SQLSERVERNAME -d reportserver -a SQL -u SA -p SAPASSWORD and do restart to rs.

with thiscommand we can set connection information of 'reportserver' database for

rs. When you press apply button in rs database configuration still you can get error but

when you look at reportserver webservice and website they are work well now; and don't get error :

for more information you can look here :

http://ismailtutumluer.wordpress.com/2007/01/16/the-report-server-cannot-open-a-connection-to-the-report-server-database-a-connection-to-the-database-is-required-for-all-requests-and-processing/