The HELL you are! These are precious gifts to me and they are non-transferable! How dare you regift my challenge prize. You might as well hock a wedding ring for beer money. -DeeJ
You need to check Halo.Xbox for this kind of stuff. 343i has stated that the servers are down for maintenance.
Bungie is no longer managing the Halo Universe. While our Halo-related forums and stats remain available, be advised that "official" answers and support about the Halo Universe (past, present, or future) are not.