[Samba] Upgrade to 3.0.14 breaks NT4 client login

[Richard Ray]

Our office is a mix of XP and NT4 clients.
I've been running Fedora Core 3 for some time with 
samba-3.0.10-1.fc3.i386.rpm with no problems.
When I upgraded to Fedora Core 4 with samba-3.0.14a-2.i386.rpm NT4 clients 
can no longer authenticate.

[2006/02/08 14:17:22, 5] auth/auth.c:check_ntlm_password(271)
   check_ntlm_password: unix authentication for user [zzz] FAILED with
error NT_STATUS_WRONG_PASSWORD

If I map using a XP client with the same user all is well.
I hope this is just a config setting that has changed.
I also tried samba-3.0.21b-3.i386.rpm from samba.org and it failed as 
well.

Thanks
Richard