You might have already read Jason Jones’ great article Limiting ISATAP Services to UAG DirectAccess Manage Out Clients. This month, he followed it up with another extremely useful article that takes us into the new world of DirectAccess on Windows Server 2012. Microsoft now recommends using native IPv6 instead of ISATAP for manage out situations.
If the thought of using IPv6 has you a bit intimidated (and that’s a common reaction), then you need to read this article from Jason Jones. He holds your hand through the process, and warns you of all the caveats involved. Here’s where you’ll find it:
http://blog.msedge.org.uk/2013/03/windows-server-2012-directaccess-manage.html