http://blogs.technet.com/b/ben/archive/2011/01/27/forwarding-on-the-6to4-network-interface-cannot-be-enabled.aspxAn error you might run into when activating a DirectAccess configuration is the dreadful “Forwarding on the 6to4 network interface cannot be enabled”: This often happens after you rebuild a server, and try to restore a configuration from backup, and isen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/ben/archive/2011/01/27/forwarding-on-the-6to4-network-interface-cannot-be-enabled.aspx#3387241Mon, 14 Feb 2011 18:56:12 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3387241Jordan Krause<p>Hey Ben, it looks like we were bumping into the same things a couple of weeks ago:</p> <p><a rel="nofollow" target="_new" href="http://www.ivonetworks.com/news/?p=84">www.ivonetworks.com/news</a></p> <p>I just wanted to add that this can also be caused by the UAG SP1 install.</p> <p>Have a good one!</p> <p>Jordan Krause</p> <p>IVO Networks</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3387241" width="1" height="1">