Microsoft could do more to direct people to forums.asp.net.
via Google, search "site:microsoft.com forums.asp.net" (without the quotes).
one result, https://msdn.microsoft.com/en-us/library/aa286485.aspx does not highlight the existing of forums.asp.net even though that page would be a perfect page to advertise forums.asp.net.
Also, near the bottom of each MSDN page, we see
WHY NOT add: