Description of problem:
After initial installation, rhel4.9 host rebooted and enter into "Red Hat Login" set interface(see attachment file RHEL4.9_installation_1.png), i input a redhat login account and its password, then click "Next" button, a dialog box pops up with "An error occured in the Red Hat Login module" as its title (see attachment file RHEL4.9_installation_2.png)

Version-Release number of selected component (if applicable):
[root@unused ~]# cat /etc/redhat-release
Red Hat Enterprise Linux ES release 4 (Nahant Update 9)
[root@unused ~]# uname -a
Linux unused 2.6.9-100.ELxenU #1 SMP Tue Feb 1 12:14:39 EST 2011 x86_64 x86_64 x86_64 GNU/Linux

How reproducible:
100%

Steps to Reproduce:
1. Install rhel4.9 via PXE, tree: http://download.englab.nay.redhat.com/pub/rhel/released/RHEL-4/U9/ES/x86_64/tree
2. After initial installation, host reboot and go to "Red Hat Login" set interface
3. Try to input a redhat login account and its password and then click the "Next" button

Actual results:
A dialog box pops up with "An error occured in the Red Hat Login module" as its title

Expected results:
Red Hat Login module should be loaded successfully

Additional info:
Log file generated by firstboot.py: firstboot.1406523838.91