Hi all, I have an issue with a samba PDC/BDC Sometimes, the workstation ( mostly XP) cant connect, but after 2 or 3 minutes the connection is allowed.. or new workstation can not be added to the domain but after a while its working.. in the log I just have this : Mar 31 17:57:06 pdc smbd[27008]: [2010/03/31 17:57:06, 0] lib/util_sock.c:1491(get_peer_addr_internal) Mar 31 17:57:06 pdc smbd[27008]: getpeername failed. Error was Transport endpoint is not connected Mar 31 17:57:06 pdc smbd[27008]: write_data: write failure in writing to client 0.0.0.0. Error Connection reset by peer Mar 31 17:57:06 pdc smbd[27008]: [2010/03/31 17:57:06, 0] smbd/process.c:62(srv_send_smb) Mar 31 17:57:06 pdc smbd[27008]: Error writing 4 bytes to client. -1. (Transport endpoint is not connected) I dont know what to look more, i checked without the BDC, all the account are visible.... If anyway can help me to find out.., i post my conf in case i make something wrong in it that i dont see... here my conf : The PDC: [global] unix charset = LOCALE workgroup = ALPHAMEDIAN netbios name = PDC realm = ALPHAMEDIAN.LOCAL server string = S-SAMBA PDC security = user log level = 5 log file = /var/log/samba/log.%m max log size = 90000 load printers = no socket options = TCP_NODELAY os level = 99 domain master = yes preferred master = yes local master = yes browse list = yes interfaces = 192.168.0.1/255.255.255.0 bind interfaces only = yes encrypt passwords = yes pam password change = no unix password sync = no passwd program = /usr/sbin/smbldap-passwd %u add user script = /usr/sbin/smbldap-useradd -m "%u" add group script = /usr/sbin/smbldap-groupadd -p "%g" delete user from group script = /usr/sbin/smbldap-groupmod -x "%u" set primary group script = /usr/sbin/smbldap-usermod -g "%g" "%u" add user to group script = /usr/sbin/smbldap-groupmod -m "%u" "%g" add machine script = /usr/sbin/smbldap-useradd -w "%u" passdb backend = ldapsam password server = ldap://127.0.0.1 idmap backend = ldap:ldap://127.0.0.1 ldap admin dn = cn=admin,dc=alphamedian,dc=fr ldap suffix = dc=alphamedian,dc=fr ldap ssl = no ldap user suffix = ou=people ldap group suffix = ou=groups ldap machine suffix = ou=machines ldap delete dn = yes ldap password sync = yes ldapsam:editposix = yes idmap uid = 15000-20000 idmap gid = 15000-20000 dns proxy = no wins support = Yes name resolve order = lmhosts hosts wins bcast case sensitive = yes guest account = nobody winbind nested groups = no lanman auth = yes ntlm auth = yes client ntlmv2 auth = yes Dos charset = 850 Unix charset = ISO8859-1 enable privileges = yes time server = Yes socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192 logon path domain logons = Yes domain master = Yes the BDC conf : [global] unix charset = LOCALE workgroup = ALPHAMEDIAN netbios name = s-faxings server string = S-FAXING BDC security = user log level = 5 log file = /var/log/samba/log.%m max log size = 90000 load printers = no socket options = TCP_NODELAY os level = 98 domain master = no preferred master = yes local master = yes browse list = yes interfaces = 192.168.0.35/255.255.255.0 bind interfaces only=yes encrypt passwords = yes pam password change = no unix password sync = no passwd program = /usr/sbin/smbldap-passwd %u add user script = /usr/sbin/smbldap-useradd -m "%u" add group script = /usr/sbin/smbldap-groupadd -p "%g" delete user from group script = /usr/sbin/smbldap-groupmod -x "%u" set primary group script = /usr/sbin/smbldap-usermod -g "%g" "%u" add user to group script = /usr/sbin/smbldap-groupmod -m "%u" "%g" add machine script = /usr/sbin/useradd -d /dev/null -s /bin/false -d /var/tmp %u passdb backend = ldapsam password server = ldap://127.0.0.1 idmap backend = ldap:ldap://127.0.0.1 ldap admin dn = cn=admin,dc=alphamedian,dc=fr ldap suffix = dc=alphamedian,dc=fr ldap ssl = no ldap user suffix = ou=people ldap group suffix = ou=groups ldap machine suffix = ou=machines ldap delete dn = yes ldap password sync = yes ldapsam:editposix = yes idmap uid = 15000-20000 idmap gid = 15000-20000 dns proxy = no wins support = Yes name resolve order = lmhosts hosts wins bcast case sensitive = no guest account = nobody winbind nested groups = no lanman auth = yes ntlm auth = yes client ntlmv2 auth = yes Dos charset = 850 Unix charset = ISO8859-1 enable privileges = yes time server = Yes socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192 logon path domain logons = Yes domain master = Yes