Error : "Unable to start debugging on the web server. Debugging failed because integrated Windows authentication is not enabled. Please see Help for assistance." Fix : This error usually comes when you are using asp.net with IIS and try to debug the application. To fix it, you need to goto IIS - > Select your Virtual Directory -> Right-Click -> Properties -> Directory Security Tab -> Press the top most Edit button -> In the next form Check the lower most check box saying "Integrated Windows Authentication" and it will work.

Have you ever face the following error.

Unable to create the Web site 'http://localhost/sitename. An error occurred accessing your Windows SharePoint Services site files. Authors - if authoring against a Web server, please contact the Webmaster for this server's Web site. WebMasters - please see the server's application event log for more details.

Goto IIS -> Click Defalt Web Site -> Right Click -> Properties -> Check TCP Port If it is other then port 80 then you have to change it back to 80 and the stuff on.