Before building a Site Server for CM2012, it goes without saying that you’ll want to make sure the server is completely up-to-date with patches and updates. However, there’s one additional component you’ll want to make sure to install to ensure a successful installation – particularly when enabling client push installation and installing the Site Server on Windows Server 2008 R2.
The KB2552033 hotfix is required otherwise the server may crash intermittently and result in the following error:
Grab the hotfix from here: http://support.microsoft.com/kb/2552033

Garth Jones: Wow that is cool thanks!!...
Garth Jones: Wow that is cool thanks!!...
Brandon Ryan: Try Alt+Home to see if that brings up the start menu....
Paul Thomsen: I love RDCM too. A little unreliable when I have around 10 sessions or...
Trevor Sullivan: One of the main reasons I avoid using Active Directory site boundaries...