If you’re about to deploy DrectAccess, either with Windows 8/Server 2012 or with Windows 7, Windows Server 2008 R2 or Forefront UAG 2010, you might be interested in a list of the various hotfixes Microsoft has released that impact DA – especially if you find yourself encountering one or more of the problems that they fix. Here’s a list through the end of 2012:
http://blog.msedge.org.uk/2012/12/directaccess-hotfix-summary.html