IIS Error: Unable to start debugger on WebServer

Question

this is what the error I am getting, after pressing CTRL+F5 in asp.net , it keeps loading on VS and after few sec, it shows following message,

Unable to Start debugging on the web server. The Web Server did not respond in a timely manner. This may be because another debugger is Click Help for more information

I've already done investigation using following links and tried to eradicate the problem

1) https://msdn.microsoft.com/en-us/library/vstudio/dwesw3ee(v=vs.110).aspx

2) IIS Url Rewrite Module causes "unable to start debugging on the webserver"

your help would be appriciate,

Thanks,

Answer 1

I had the same problem and fixed with the next steps:

1 . Close all your Visual Studio windows including the project of the mistake

2. Go to path sln project and open with a tool of text edit
3. Search the localhost variable and change the port to port :80
4. Save the file and open the solution with Visual Studio IDE, build and run the project.

Answer 2

Open Command Prompt (Run as Administrator)

Write iisreset /restart

and then try again :)