The 403 error is fixed with a hot fix from Microsoft. You can download it from here: http://hotfixv4.microsoft.com/Windows%207/WindowsServer%202008%20R2/sp1/Fix305889/7600/free/407288_intl_x64_zip.exe
- Download the hotfix
- The run it - it will ask where you want the installed extracted to.
- Pick a location (i.e., c:\hotfix)
- go to the directory from step three and run the *.msu
- once the hotfox has completed installing re-run the Admin Console