Chef-solo Debug
This line will let you run chef-solo locally to see where the problem is.
$ sudo chef-solo --config /tmp/vagrant-chef-3/solo.rb --json-attributes /tmp/vagrant-chef-3/dna.json --log_level debug --logfile STDOUT
IIS7 Client Side Debugging
%windir%\system32\inetsrv\appcmd.exe set config -section:system.webServer/httpErrors -errorMode:Detailed|DetailedLocalOnly|Custom