Just wanted to check in and make sure you're good with your Reporting Services Configuration Manager. Double-check that your Report Server URL and Web Service URL are set up correctly. If you're not sure, you can take a look directly on the server to check the results.
Looks like it might be a network issue, but it's hard for me to say for sure without more info. Sorry about that! Let me know if there's anything else I can do to help.