A user attempts authentication using SecureClient. The user’s password is rejected, even though it is correctly defined in the LDAP directory. Which of the following is a valid cause?

A.
The LDAP server has insufficient memory.

B.
The LDAP and Security Gateway databases are not synchronized.

C.
The SmartCenter Server cannot communicate with the LDAP server.

D.
The user has defined the wrong encryption scheme.

E.
The user is defined in both the NGX user database and the LDAP directory.