Hi all I have a samba 3.0.21c with openldap backend as PDC on subnet 192.168.129.0(mypdc). i have configured Backup Domain Controller on subnet 192.168.130.0(mybdc) subnet for the same domain. but if i do nmblookup from pdc to the bdc, it's getting failed and viceversa. and from bdc,>From BDC , we are unable to browse system added to PDC on the subnet192.168.129.0. I have enabled IP forwarding and both system are able to ping each other. the following is the smb.conf of BDC ################################################## [global] unix charset = LOCALE workgroup = msdpl.com netbios name = fosrv001 passdb backend = ldapsam:ldap://192.168.130.3 enable privileges = Yes server string = Factory Backup Domain Controller log level = 1 remote announce = 192.168.129.255 remote browse sync = 192.168.129.255 192.168.128.255 syslog = 0 log file = /usr/local/samba-fo/var/%U.%m.log max log size = 100 smb ports = 139 printcap name = cups show add printer wizard = no logon script = %u.bat logon path logon drive = X: logon home domain logons = yes domain master = No hide unreadable = yes deadtime = 15 wins server = 192.168.129.20 name resolve order = lmhosts wins bcast hosts socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192 interfaces = eth0, lo bind interfaces only = yes hide dot files = yes dns proxy = no nt acl support = yes ldap passwd sync = yes ldap suffix = dc=msdpl,dc=com ldap admin dn = cn=foreplica,dc=msdpl,dc=com ldap group suffix = ou=Groups ldap user suffix = ou=People ldap machine suffix = ou=Computers ldap idmap suffix = ou=Idmap ldap ssl = no ldap timeout = 50 idmap backend = ldap:ldap://192.168.130.3 idmap uid = 10000-20000 idmap gid = 10000-20000 map acl inherit = yes printing = cups ######################################################[Share Definations]########################################### [homes] comment = Home Directories valid users = %S browseable = no read only = no nt acl support = Yes # Un-comment the following and create the netlogon directory for Domain Logons [netlogon] comment = Network Logon Service path = /netlogon/scripts guest ok = yes browseable = no write list = root #Profiles Share [profiles] comment = Profiles Share path = /profiles/%U read only = No browseable = yes writeable = yes guest ok = Yes ################################################# what changes should i make in smb.conf of my bdc, so that i can browse all the machines of the subnet 192.168.129.0 please guide me regards niranjan