Comment 3 for bug 291283

This is the relevant part of the logs:
Setting up landscape-common (1.0.23-0ubuntu0.8.10.1) ...
Your account has expired; please contact your system administrator
chfn: PAM authentication failed
adduser: `/usr/bin/chfn -f Landscape Client Daemon landscape' returned error code 1. Exiting.
dpkg: error processing landscape-common (--configure):
 subprocess post-installation script returned error exit status 1

This bug is a duplicate of bug #238755, which is not yet fixed for hardy.