ASP.NET Tab in IIS is Missing

Here are the steps to fix the issue:

1) Stop the IIS Admin service (and any services that depend on it)

2) Open C:\WINDOWS\system32\inetsrv\MetaBase.xml in notepad or your favorite XML

Editor. _DELETE_ the line that reads ‘Enable32BitAppOnWin64=”TRUE”’

3) Start -> Run -> iisreset

Error while trying to run project: Unable to start debugging on the web server

Error while trying to run project: Unable to start debugging on the web server
About the “Error while trying to run project: Unable to start debugging on the web server.” Error.

Open your Internet Information Services manager and from the [your machine]/Web Sites/ Default Web Site node select the virtual folder which stores your project. Right Click and select Properties to select the ASP.NET tab page. Make sure the correct version ASP.NET Version is selected.