Visual Studio Error: (407: Proxy Authentication Required)

Question

I am behind a corporate proxy server which requires credentials. I have been trying to connect to a TFS server (on tfspreview.com) with MS Visual Studio Pro 2012

Answer 1

The solution that worked for me in both Visual Studio 2013 and Microsoft Test Manager (MTM) was to ensure that both devenv.exe.config and mtm.exe.config included this configurations section:

MTM did not have a system.net setting and the whole section was added immediately following the closing xml tag .