IIS网站配置

Server Error in '/' Application.
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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: Could not create Windows user token from the credentials specified in the config file. Error from the operating system '登录失败: 未知的用户名或错误密码。
'

Source Error: 


Line 129:
Line 130:
Line 131: <identity impersonate="true" userName="admin" password="admin"></identity>
Line 132:<pages validateRequest="false"/>
Line 133: </system.web>
 
这个怎么解决

应该是IIS设置时的权限问题
在其属性中 改成匿名访问或者集成身份验证
试试