FIX FOR MESSAGE: ATTENTION cannot connect to Destiny Servers Your profile has been signed in elsewhere.
IF you cannot loggin past your character selection Do this easy fix. It worked for both my Xboxs having this issue. No i didnt figure this out I read this on this forum though i cannot remember the gamertag that did it. Thanks to the person who figured this Out and did his homework!
-Per an OpenDNS Support article I found, I manually changed my system's primary and secondary DNS address' to 208.67.222.222 and 208.67.220.220 respectively and that seems to have fixed the issue!