[Samba] Failed to open group mapping database

[Craig White]

PDC log for specific machines typically has this entry each day for each
machine...

groupdb/mapping.c:init_group_mapping(139)
  Failed to open group mapping database

How do I make happy?

RH AS 3/samba 3.0.0-14.3E/passdb backend = ldapsam:ldap://localhost/

getent group works fine - lists all the groups (local & ldap)

net groupmap list shows...
Super Admin (S-1-5-21-1292501092-333717336-619646970-1512) -> root
Users All (S-1-5-21-1292501092-333717336-619646970-1500) -> users-all
Users PR (S-1-5-21-1292501092-333717336-619646970-1502) -> users-pr
Users ADV (S-1-5-21-1292501092-333717336-619646970-1503) -> users-adv
Users Acctg (S-1-5-21-1292501092-333717336-619646970-1504) ->
users-acctg
Users Web (S-1-5-21-1292501092-333717336-619646970-1505) -> users-web
Users Remote (S-1-5-21-1292501092-333717336-619646970-1506) ->
users-remote
MTS Impersonators (S-1-5-21-1292501092-333717336-619646970-1003) -> MTS
Impersonators
WWW access (S-1-5-21-1292501092-333717336-619646970-1015) -> WWW access
Account Operators (S-1-5-32-548) -> Account Operators
Guests (S-1-5-32-546) -> Guests
Server Operators (S-1-5-32-549) -> Server Operators
Domain Admins (S-1-5-21-1292501092-333717336-619646970-512) -> Domain
Admins
Domain Users (S-1-5-21-1292501092-333717336-619646970-513) -> Domain
Users
Domain Guests (S-1-5-21-1292501092-333717336-619646970-514) -> Domain
Guests
Accounting (S-1-5-21-1292501092-333717336-619646970-1008) -> Accounting
Public Relations (S-1-5-21-1292501092-333717336-619646970-1021) ->
Public Relations
Macintosh Users (S-1-5-21-1292501092-333717336-619646970-1049) ->
Macintosh Users
Administrators (S-1-5-32-544) -> Administrators
Print Operators (S-1-5-32-550) -> Print Operators
Domain Computers (S-1-5-21-1292501092-333717336-619646970-553) -> Domain
Computers
Replicator (S-1-5-32-552) -> Replicator
Backup Operators (S-1-5-32-551) -> Backup Operators