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Today I installed VS2010 SP1 Beta, and IIS 7 Express, as I currently have IIS5 on my local development machine and thought I'd try IIS Express out.
I have gone into the properties window for my Web Application, checked the 'Use IIS Express' checkbox, created the Virtual Directory when it has prompted me, but then get the message "Unable to launch the IIS Express Web Server. Port x is in use".
I have tried changing the port number from the default value that was in there, to numerous other port numbers, but whatever value is there, I am always getting this message, and am therefore unable to use the IIS Express Web Server.
Does anyone know what the problem might be, and how to get around it?
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By default, you can use IIS Express to run your website using a non-reserved port such as 8080. However, using a reserved port such as 80 or 443 requires work.
In Solution Explorer, right-click the name of the web application and select Properties. Click the Web tab. In the Servers section, under dropdown selection for IIS Express, change the port number in the Project URL box. To the right of the Project URL box, click Create Virtual Directory, and then click OK.
Double-click Internet Information Services (IIS) Manager. In the Internet Information Services dialog box, expand local computer ►Sites and right click Default Website and select Bindings. Select the http setting and click Edit. Change the port number to 80 and click OK.
If you are using ESET NOD32 Anti Virus, you need to change the setting of "Web access protection" => HTTP, HTTPS => Web browsers => red cross the check box of your devnev.exe (This is three state checkboxs, click the check box until red cross appeared)
I have just installed VS 2010 SP1, using the above setting to tell NOD32 to leave 'IIS Express' alone.
Reference: http://weblogs.asp.net/anasghanem/archive/2009/02/01/nod32-antivirus-is-blocking-visual-studio-built-in-development-server.aspx
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