参考:http://www.bubuko.com/infodetail-997666.html
C:WINDOWSMicrosoft.NETFrameworkv2.0.50727aspnet_regiis.exe -i
C:WINDOWSMicrosoft.NETFramework64v2.0.50727aspnet_regiis.exe -i
%windir%system32inetsrvappcmd unlock config -section:system.webServer/handlers