I am at a hotel and have a good broadband connection.  However when i attempt to sling from my AV at home I get the error message 0x8007274C.  Now my box works fine on my home network, and on my dad's network who lives 30 miles from me, so I know the box is set up correctly. I know that the box is on  and working, which leaves the only other possibility is a firewall or some other type of block that the hotel has on its network.  Is there anyway around this?