在线请教各位高手，看看这是什么原因啊？

[Anrylxp]

Configuration Error
Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.

Parser Error Message: It is an error to use a section registered as allowDefinition='MachineToApplication' beyond application level. This error can be caused by a virtual directory not being configured as an application in IIS.
Source Error:
Line 36: "Passport" and "None"
Line 37: -->
Line 38: <authentication mode="Windows" />
Line 39:
Line 40: <!-- APPLICATION-LEVEL TRACE LOGGING

[_jfeng]

好像是配置出问题，帮你顶....

[skyover]

目录不是虚拟目录

[Edwangsj]

在用户管理中，把asp.net machine..用户加入到vs.net调式用户组中