错误：

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: An error occurred loading a configuration file: Access to the path 'f:\pacms\web.config' is denied.

原因：出现这个问题是因为web.config没有修改权限导致的

解决方法：给网站目录写入权限，目录权限配置请见下面的相关文档。