C#

Everything about C#

Visual Studio Debugging Error: Unable to connect to web server 'IIS Express'

Visual Studio Debugging Error: Unable to connect to web server 'IIS Express'

Author: Sebastian Riesner, Published: 12/14/2020 9:49 PM

When I tried to debug a newly created web application in Visual Studio 2019, the error "Unable to connect to web server 'IIS Express'" showed up.

ASP.NET Core IIS Error 503 - Service Unavailable

ASP.NET Core IIS Error 503 - Service Unavailable

Author: Sebastian Riesner, Published: 5/29/2019 9:10 AM

The ASP.NET Core web applications on my IIS webserver suddenly stopped working and HTTP Error 503 "The service is unavailable" showed up. In this article, I'll describe, how I solved the problem.