[Samba] Error Beta

[sandy.napoles at eccmg.cupet.cu]

Hello list, I have Samba4.0.0beta2-GIT-6440720, yesterday I run git pull
for update my samba-master, the task was succeful, I read the step for
update and everything work god, when i run smclient --version say me
samba4 betta3, but but I found a great problem, my client windows xp,
ubuntu, all do not loging to domain, I come back the version of beta 4 to
beta 2 and everything is ok. I ask there is some problem with beta3???