Admin not able to reset other users’ passwords from terminal

[mac_novice]

I am currently using a Mac OS X 10.4.10 machine and I have two morw accounts set up for this machine along with Admin. I am logged in as Admin. I can use passwd command in the terminal and change the password for Admin. However, when I try to change some other account’s password, I get a “Sorry” message. I tried various things
1 – enabled the root and then call passwd username
2 – keyed in sudo passwd username
I still keep getting the same “Sorry” message.

For the first sequence (anu is the username)
$ passwd anu
Changing password for anu
Password for admin: (entered admin password)
New password: (entered new password for anu)
Retype new password: (reentered the new password for anu)
Sorry

For the second sequence
$ sudo passwd anu
Password: (entered root password)
Changing password for anu.
New password: (entered new password for anu)
Retype new password: (reentered)
Sorry

In the NetInfo Manager when I am logged in as Admin, I have enabled the root user.

I can reset the password for anu from System Preferences/Accounts ( basically the GUI)

Can anyone point out what settings could I be missing.

Thanks

[Author]

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