I am using SuSE 8.2 and eDirectory 8.7 as passdb backend
These are the correct LDAP suffixes:

ldap suffix = ou=department,o=company,c=DE
ldap machine suffix = ou=server,ou=clients,ou=department,o=company,c=DE
ldap user suffix = ou=people,ou=department,o=company,c=DE
ldap group suffix = ou=group,ou=department,o=company,c=DE

As soon as I commit changes in SWAT  the ldap suffix is appended to all other 
suffixes a second time in my smb.conf:

ldap suffix = ou=department,o=company,c=DE
ldap machine suffix = 
ou=server,ou=clients,ou=department,o=company,c=DE,ou=department,o=company,c=DE
ldap user suffix = 
ou=people,ou=department,o=company,c=DE,ou=department,o=company,c=DE
ldap group suffix = 
ou=group,ou=department,o=company,c=DE,ou=department,o=company,c=DE
ldap idmap suffix = ou=department,o=company,c=DE,ou=department,o=company,c=DE

So I manually entered the other suffixes without 
the "ou=department,o=company,c=DE" part ( e.g. ou=group ) . Still, the smb.conf 
ends up with double ldap suffix appended two times when changes are comitted in 
SWAT.