When I try to create a virtual web directory under the Default Web Site in IIS, I found that the Default Web Site is missing. Only the MDS one is there. The default one was actually deleted when I played with Master Data Service in SQL Server 2012.
Solution:
Following the steps in this post (i.e., back the folders/files, uninstall IIS and Windows Process Activation Service from the Program/Feature in Control Panel)
http://forums.iis.net/t/1154336.aspx
It's up now!
But when I try to open the order page, I get this:
Reason:
I have Visual Studio installed before the newly re-installed IIS. I need to register the .ASP.NET version for the IIS.
Solution:
Open a command prompt and go to C:\Windows\Microsoft.NET\Framework64\v4.0.30319). Run aspnet_regiis -i.
Oops!
Found this one:
http://social.msdn.microsoft.com/forums/en-US/web/thread/2111c297-fab8-482b-9439-53b1464b782e
Open IIS manager, select Application Pools, select the application pool you are using, click on Advanced Settings in the right-hand menu. Under General, set "Enable 32-Bit Applications" to "True".
It finally shows up now!