Samba DC - account is saved only with temponary file

I have problem with Samba AD. When i log in to account on Windows computer, account will not be saved. Please help me!

smb.conf:

[global]
   workgroup = miegl
   server string = Home server
   netbios name = HOME-SERVER
   security = user
   password server = 10.0.1.5

   wins support = yes
   name resolve order = lmhosts host wins bcast
   ntlm auth = no
   lanman auth = no
   client ntlmv2 auth = yes
   username map = /etc/samba/smbusers

   log file = /var/log/samba.log
   log level = 1
   max log size = 1000
   syslog = 0

   admin users = root, pepin
   encrypt passwords = true
   passdb backend = tdbsam
   unix password sync = yes 
   passwd program = /usr/bin/passwd %u
   passwd chat = *Enter\snew\sUNIX\spassword:* %n\n *Retype\snew\sUNIX\spassword:* %n\n *password\supdated\ssuccessfully* .
   map to guest = Bad Password 
   password level = 0
   time server = yes
   wins support = yes

   add user script = /usr/sbin/useradd -m '%u' -g users -G users
   delete user script = /usr/sbin/userdel -r '%u'
   add group script = /usr/sbin/groupadd '%g'
   delete group script = /usr/sbin/groupdel '%g'
   add user to group script = /usr/sbin/usermod -G '%g' '%u'
   add machine script = /usr/sbin/useradd -s /bin/false -d /var/lib/nobody '%u'

   logon path = (\\%N\profiles\%u = same result)
   logon drive = H:
   logon home = (\\%N\%u = same result)

   domain logons = Yes
   preferred master = Yes
   domain master = Yes
   logon script = /etc/samba/netlogon.bat

########## Printing ##########

   load printers = yes
   printing = bsd
   printcap name = /etc/printcap
   printing = cups
   printcap name = cups

############ Misc ############

;   include = /home/samba/etc/smb.conf.%m
   socket options = TCP_NODELAY IPTOS_LOWDELAY SO_RCVBUF=131072 SO_SNDBUF=131072
;   message command = /bin/sh -c '/usr/bin/linpopup "%f" "%m" %s; rm %s' &      
;   idmap uid = 10000-20000
;   idmap gid = 10000-20000
;   template shell = /bin/bash
;   winbind enum groups = yes
;   winbind enum users = yes
   usershare allow guests = yes

############ Speed Tweaks ############

   strict allocate = yes
   read raw = yes
   write raw = yes
   strict locking = no
   min receivefile size = 16384
   use sendfile = true
   aio read size = 16384
   aio write size = 16384

#======================= Share Definitions =======================

[netlogon]
  comment = Domain Logon Service
  path = /home/samba/netlogon
  valid users = %U
  admin users = Administrator, pepin
  read only = no
  browseable = no
  write list =@admins
  guest ok = yes

[homes]
   comment = Složka uživatele %u
   browseable = no
   read only = no
   create mask = 0700
   directory mask = 0700
   valid users = %S

[profiles]
   comment = Uživatelské účty
   path = /home/samba/profiles
   guest ok = no
   browseable = no
   read only = no
   create mask = 0600
   directory mask = 0700

[printers]
   comment = Tiskárny
   browseable = no
   path = /var/spool/samba
   printable = yes
   guest ok = no
   read only = yes
   create mask = 0700

[print$]
   comment = Ovladače k tiskárnám
   path = /var/lib/samba/printers
   browseable = yes
   read only = yes
   guest ok = no
   write list = root, pepin

[web Server]
   comment = Webový server
   path = /var/www
   browseable = yes
   guest ok = no
   read only = yes
   write list = root, pepin

[server System]
   comment = Systém serveru HOME-SERVER
   path = /
   browseable = yes
   guest ok = no
   read only = yes
   write list = root, pepin

[disk]
   comment = 500GB Úložný prostor
   path = /media/USB_STORAGE/share
   browseable = yes
   guest ok = no
   read only = no
   writeable = yes

[disk_2]
   comment = 40GB Úložný prostor
   path = /media/Disk1
   browseable = yes
   guest ok = no
   read only = no
   writeable = yes

[disk_3]
   comment = 40GB Úložný prostor
   path = /media/Disk2
   browseable = yes
   guest ok = no
   read only = no
   writeable = yes

[disk_4]
   comment = 40GB Úložný prostor (Systémový svazek)
   path = /share
   browseable = yes
   guest ok = no
   read only = no
   writeable = yes

thanks in advance!