Windows Server 2012 Release Candidate domain controllers have a default for the security setting named "Allow cryptography algorithms compatible with Windows NT 4.0" that prevents weaker cryptography algorithms when establishing security channel sessions.

Problem when create domain on windows server 2012

Problem Syntax : 

Windows Server 2012 Release Candidate domain controllers have a default for the
security setting named "Allow cryptography algorithms compatible with Windows NT 4.0"
that prevents weaker cryptography algorithms when establishing security channel
sessions.

Solution is :

1. Just log-off off your windows account.
2. Then Log-in with an  Administrator account
3. Try again the proses
4. does it (this solution work with my situation),

what about yours ...!, please comment.