> Maybe you have got stale/corrupted tdb-files. > > Regards > Davor Even when I "rm -f /var/lib/samba/winbind*" & restart samba+winbind it doesn't change anything. "getent group" does NOT output all the groups which have been assigned with a valid gid in NIX/UNIX attribute tab. And that occurs on both my member servers Cheers. Mirco