It took me a while to find out where I had to make a change when one of our clients changed the name of their web server. The error message I got when I tried to browse the Report Manager from IIS said “The remote name could not be resolved:” and displayed the old name of the web server.
There is a config file called RSWebApplication.config. You will find this file in your Reports Virtual Directory. The default location for this file on my development machine is C:Program FilesMicrosoft SQL ServerMSSQL.3Reporting ServicesReportManager.
In this file, you need to change the value of the ReportServerURL to reflect the new name of your web server.