can not add users to Samba 4 domain

[alvar]

I have tried to add users from windows workstation using ADUC MMC. I have got 
rpc error message. I tried to use samba svn drom svn and git.
smbd version 4.0.0alpha3-GIT-91d7ba5 and smbd version 
4.0.0alpha3-SVN-build-26699.
smbd.log

[Wed Jan 23 17:57:41 2008 VLAT, 3 
rpc_server/dcerpc_server.c:849:dcesrv_request()]
Warning: 60 extra bytes in incoming RPC request
[Wed Jan 23 17:57:41 2008 VLAT, 3 lib/ldb_wrap.c:66:ldb_wrap_debug()]
ldb: naming_fsmo_init: we are master: yes

[Wed Jan 23 17:57:41 2008 VLAT, 3 lib/ldb_wrap.c:66:ldb_wrap_debug()]
ldb: pdc_fsmo_init: we are master: yes

[Wed Jan 23 17:57:41 2008 VLAT, 2 
auth/kerberos/krb5_init_context.c:76:smb_krb5_debug_wrapp
er()]
Kerberos: TGS-REQ administrator at POLAR.INT from 192.168.30.71 for 
kadmin/changepw at POLAR.INT
[renewable, forwardable]
[Wed Jan 23 17:57:41 2008 VLAT, 2 
auth/kerberos/krb5_init_context.c:76:smb_krb5_debug_wrapp
er()]
Kerberos: TGS-REQ authtime: 2008-01-23T17:56:34 starttime: 2008-01-23T17:57:41 
endtime: 203
7-09-13T13:48:05 renew till: unset
[Wed Jan 23 17:57:41 2008 VLAT, 5 
auth/gensec/gensec.c:607:gensec_start_mech()]
Starting GENSEC mechanism krb5
[Wed Jan 23 17:57:41 2008 VLAT, 3 lib/ldb_wrap.c:66:ldb_wrap_debug()]
ldb: naming_fsmo_init: we are master: yes

[Wed Jan 23 17:57:41 2008 VLAT, 3 lib/ldb_wrap.c:66:ldb_wrap_debug()]
ldb: pdc_fsmo_init: we are master: yes

[Wed Jan 23 17:57:41 2008 VLAT, 3 
kdc/kpasswdd.c:63:kpasswdd_make_error_reply()]
kpasswdd: gensec_update failed: NT_STATUS_LOGON_FAILURE