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.
Line 51: ASP.NET to identify an incoming user.
Line 52: -->
Line 53: <authentication mode="Windows" />
Line 55: <!--
Source File: C:\inetpub\wwwroot\Source\web.config Line: 53
when I am creating virtual file then run that file then above error is ocoured
and when I am change mode is "None" then again I got the same error that error in web config what can i do for run my web site on other system