Can't add new user in lucid

[Tom H]

>>>> Are you authenticaticating through winbind? (== are you authenticating
>>>> through an AD server?)

>>> Not that I am aware of, it is a standard desktop install of lucid beta
>>> 1 with updates.

>> Check the common-* files in /etc/pam.d for lines with "pam_winbind.so".

...
> So there are references to winbind.

The mtime of the common-* files probably corresponds to an update that
you have had.

You could edit the common-* one by one by there should be a
dpkg-reconfigure option. I am trying to figure out which package it
should be. Not samba (just tried it).