I beleive you cannot connect like that unless you have form authentication and basic authentication is set up and you can use that credentations to connect to SSRS from SSMS.

I am curious why would you want to connect SSRS from SSMS though?

Thanks

i am also trying to open the reportserver manger in web brower but it is not connected. when i trying to connect reporting manager i got an error is virtual directories not configure please give me ur suggestions for to resolve problem

Try this link to solve an error virtual directories not configure for sqlserver 2005 SSRS

http://social.msdn.microsoft.com/Forums/en/sqlreportingservices/thread/54194ec1-1011-41c8-a99a-dfc5b0347dc2

The Report Services Instance could not be found

http://social.msdn.microsoft.com/Forums/is/sqlreportingservices/thread/8e416391-b0ae-476f-baed-e3e2b3877ac7