Solution available to fix the problem where the Kerberos Ticket Granting Ticket is not issued during an Active Directory user’s initial login. Apple have detailed the fix in http://support.apple.com/kb/HT4100. A fix is also listed at http://www.afp548.com/forum/viewtopic.php?showtopic=26509. Follow the steps below to force the creation of the Kerberos TGT on initial login. The is taken from [...]