很明显是不支持asp.net 2.0

下载安装asp.net 2.0即可。

http://www.diancms.com/Info/3/3/index.aspx

安装asp.net2.0 以后，出现如下错误

Server Application Unavailable

The web application you are attempting to access on this web server is currently unavailable.  Please hit the "Refresh" button in your web browser to retry your request.

Administrator Note: An error message detailing the cause of this specific request failure can be found in the application event log of the web server. Please review this log entry to discover what caused this error to occur.

这是权限问题。建议给网站目录使用everyone权限试下。