Update Desktop support links

Replace Connect with the Report a Problem / VS Developer Community Portal.

README.md

@@ -28,7 +28,7 @@ Some of the best ways to contribute are to try things out, file bugs, join in de
 * [Dogfooding daily builds](https://github.com/dotnet/corefx/blob/master/Documentation/project-docs/dogfooding.md)
 * If you have a question or idea, [file a new issue](https://github.com/dotnet/corefx/issues/new).
 
-If you are having issues with the "full" .NET Framework (also called "Desktop"), the best way to file a bug is at [Connect](http://connect.microsoft.com/VisualStudio) or through [Product Support](https://support.microsoft.com/en-us/contactus?ws=support) if you have a contract.
+If you are having issues with the "full" .NET Framework (also called "Desktop"), the best way to file a bug is the [Report a Problem](https://aka.ms/vs-rap) tool, which is integrated with the [VS Developer Community Portal](https://developercommunity.visualstudio.com/); or through [Product Support](https://support.microsoft.com/en-us/contactus?ws=support) if you have a contract.
 
 ### Issue Guide