ผมพยามติดตั้ง dnn5.4.1 บน win 7 ครับ แล้วเจอปัญหาดังนี้ครับ
Error Summary
HTTP Error 500.19 - Internal Server Error
The requested page cannot be accessed because the related configuration data for the page is invalid.

Detailed Error Information
Module IIS Web Core
Notification BeginRequest
Handler Not yet determined
Error Code 0x80070021
Config Error This configuration section cannot be used at this path. This happens when the section is locked at a parent level. Locking is either by default (overrideModeDefault="Deny"), or set explicitly by a location tag with overrideMode="Deny" or the legacy allowOverride="false". 
Config File \\?\C:\inetpub\wwwroot\web.config

Requested URL http://localhost:80/dnn541/
Physical Path C:\DNN541\
Logon Method Not yet determined
Logon User Not yet determined

Config Source
   81:     </modules
   82:     <handlers
   83:       remove name="WebServiceHandlerFactory-Integrated" /