Getting ASP.NET Development Server (WebDev.WebServer.exe) to work on Vista

I came across a weird issue today with my ASP.NET Dev Server. I’m running Vista Home Premium with Firefox set as the default browser. I was consistently getting a “Failed to Connect: Firefox can’t establish a connection to the server at localhost:<port>.” error. Little bit of Goolge pointed me to several posts suggesting that I turn off IPV6 on my network adapter.

Hmmm… Nope!

I know a better way to fix this (fingers crossed).

Navigated to %SystemRoot%\system32\drivers\etc (C:\Window\system32\drivers\etc on mine). Opened up hosts file in notepad. Commented out the following line:

::1             localhost

It now it looks like

#::1             localhost

Save the file, restarted Firefox and Dev Server (not sure whether I needed to even do that). Presto! It works!

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