When running IT Analytic Reports user sees error "This page can't be displayed"

Some users may be able to run reports, while others can't This page can't be displayed

• Make sure the web address http://DBservername is correct
• Look for the page with your search engine.
• Refresh the page in a few minutes.

DNS / Networking settings

Edit the IT A Configuration Settings for Reporting Services. 
Settings > All Settings > Notification Server > IT Analytics Settings > Configuration

Update the Report Server Virtual Directory to include the FQDN of the server.
i.e. http://SQLServerName.MyDomain.local/ReportServer/

Choose the correct Report Folder Name again, and click Save.

The Reports should start working for the users that were not able to access them.