[Samba] Winbind group mapping problem

Dale Schroeder dale at BriannasSaladDressing.com
Mon Feb 9 18:44:01 GMT 2009

Which winbind idmap backend are you using?
The default tdb backend generates id's randomly (which appears to be 
your case), meaning you will have to do a lot of chown commands on box B.
For consistent mappings, use something like idmap_rid.



Ben Tisdall wrote:
> Hello all,
> I have 2 boxes with identical smb.conf files apart from the netbios
> name. The contents of the shares have been copied from one to the other
> preserving the UNIX UIDs/GIDs and both boxes join to the AD domain
> without problems. The domain sid is the same on both machines.
> However, something isn't right with the group mapping:
> Box A (shows the correct AD groups with ls -l)
> //user at host//:~$ getent group 10012
> OURDOMAIN\domain users:*:10012:
> Box B (show mostly UIDs/GIDs with ls -l)
> //user at host//:~$ getent group 10004
> OURDOMAIN\domain users:*:10004:
> Can anyone give me a clue as to where to start looking to debug this?
> Many thanks in advance.
> Ben Tisdall

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