Access to SSH or console with root passwords:

/etc/init.d/factoryreset reset
No Access to SSH or root passwords are lost:

Connect a keyboard and monitor to the system.
Wait for boot prompt
Enter:
boot: default factoryreset

After that you can go to your during the installation definied IP like: https://192.168.0.1

Alternativ:

1. Boot on the ASG from a Knoppix CD
2. Login as root
3. Mount the root partition of the ASG with: mount –t ext3 /dev/sda7 /mnt
4. Go to the config on the ASG: cd /mnt/etc/wfe/conf/; vim setting
5. Change reset_pwd = 0 to reset_pwd = 1
6. Save
7. Run cd /; umount /mnt; reboot
8. Access the install IP