Error : Failed to establish connection with report server. Verify the server URL is correct or review ULS logs for more information. Product area: SQL Server Reporting Services, Category: Configuration Pages

Root Cause: We have to use ip address
Solution:I was trying to connect server with server name. Ex:http://MyServerName:8282/ReportingServer
It was throwing above error. Then i tried with IP address.Ex:http://196.22.31.42:8282/ReportingServer
My problem solved...