解决方案:重新注册IIS
.net 2.0
C:WINDOWSMicrosoft.NETFrameworkv2.0.50727aspnet_regiis.exe -i.net4.0
32位的Windows:C:WindowsMicrosoft.NETFrameworkv4.0.30319aspnet_regiis.exe -i
64位的Windows:
C:WindowsMicrosoft.NETFramework64v4.0.30319aspnet_regiis.exe -i
解决方案:重新注册IIS
.net 2.0
C:WINDOWSMicrosoft.NETFrameworkv2.0.50727aspnet_regiis.exe -i.net4.0
32位的Windows: