Martti Kuparinen wrote:

> # ssh user@xxx
> # passwd
> Old Password:
> New Password:
> Retype New Password:
> Couldn't change NIS password.
> Unable to change auth token: error in service module

Okay, this was my old problem [1] again. I executed pwd_mkdb to
rebuild pwd.db and spwd.db and now everything is working just fine.

Shouldn't /var/yp/Makefile.yp rebuild these databases when
the source file (master.passwd) has been changed?

[1] http://mail-index.netbsd.org/netbsd-help/2002/06/11/0006.html