Microsoft has a list inside a knowledge base article that forms an aggregate of common issues seen with Remote Desktop Services. If you ever run into an issue on RDS, it’s worthwhile checking out this article because it will get updates along the way. They have devided the issues in subjects like Authentication, Device Redirection, Licensing etc.
The KB number is 2601888
And you can find the article here: http://support.microsoft.com/kb/2601888
