SBS 2011 – RWW 404 File or directory not found in Internet Explorer

1) Open Internet Explorer, and go to your Remote Web Workplace login page. (DO NOT LOG IN YET)
2) Press the “Alt” button which brings up the internet explorer menus
3) Drop down “Tools” and then go to “Compatibility View Settings”.
4) Your internet domain should be in the “Add this website” box, just press the “Add” button, then hit Close.
5) Close out of Internet Explorer, and then go back in and try getting on remotely.

Source: stephenwagner.com