IIS Express crashes when starting a site from visual studio
In your project folder find the hidden .vs folder and delete it. This solved the problem for me.
iis-express
Null reference pointer was passed to the stub when not debugging with IE
I had this problem and it was caused by IE not being the default browser. You can correct this by following this answer Visual Studio opens the default browser instead of Internet Explorer
Prevent iisexpress from running the websites in a solution when the startup app is a console app
There’s easy way to do this: in web project’s properties F4 (NOT right click-> properties) set “always start when debugging” to false
Visual Studio IIS Express hangs on launch, but IIS local works, why?
Exit Visual studio and delete the (project).vs folder. Restart Visual studio. It should start working.
How To Disable Https in Visual Studio 2017 Web Proj ASP.NET Core 2.0
Update .Net 6 If you stumbled across this question, but are looking to disable SSL in .Net 6, follow these instructions: Disable SSL redirection by removing app.UseHttpsRedirection(); (optional) define a default port to listen to with app.Run(“http://localhost:5000”); If omitted, a random port will be assigned. Original answer for .Net Core 2.0: I’ve just created a … Read more
HTTP error 500.19 – Cannot read configuration file
In my case I deleted all folders in D:\My Documents\My Web Sites\ before Then I caught the error There is a file .vs\config\applicationhost.config in my solution folder It contains reference to the deleted folder. So, I deleted applicationhost.config and then pressed ‘Create Virtual Directory’ button in my project property Web page. It was recreated the … Read more
IIS Express defaulting to port 44300 for HTTPS when enabling SSL
This question has been answered by Divya over on the IIS forums. Once you enable SSL for a website in WebMatrix, it defaults to port 44300 and does all the bindings in the background. I am hoping that you tried to change this port to 443 in the config file. Once that is done and … Read more
IIS Express 8 – Cannot write configuration file
@Brad I had your same problem just now. Removing the encryption on the IISExpress folder and the “Read Only” attribute solved it. In my company Documents is also encrypted, but I don’t think removing that encryption from IISExpress would be a problem of any sort. Hope this helps.
Global variables within IIS Express
The following three environment variables are set by iisexpress.exe during the process startup. %IIS_BIN% – refers to IIS Express installation folder (%PROGRAMFILES%\IIS Express) %IIS_USER_HOME% – %USERPROFILE%\Documents\IISExpress %IIS_SITES_HOME% – %USERPROFILE%\Documents\My Web Sites %SYSTEMDRIVE% – is a standard windows system environment variable
How to detect IIS Express version?
Browse to “C:\Program Files\IIS Express”, select the file iisexpress.exe, press Alt+Enter to open the properties dialog, click on the Details tab and read the product version.